Let me defend the somewhat incoherent OP for a minute.
The reason why places like University of Phoenix and various small state schools insist on absurdities like APA/MLA citation format (or even document format) and have strict, often bizarre, plagiarism policies is because they are not academic-oriented educational insitutions. They are career-oriented educational institutions, and as such bring people down to the lowest common denominator of the “entry-level professional” by enforcing rules where others would use their head. If you cannot communicate your citation clearly, or it does not contain enough information, you are not citing properly, and should be marked down. If you wish to use one of the standard formats, it should be your choice. After all, you do not intend to publish your paper in any academic journal and your target audience is just the professor. Your goal should be to communicate clearly and effectively, and your citations should contain all the information required to easily identify the work cited and verify your citation.
My state university’s mandatory resume/proposal writing class insisted on a specific format for everything, with a fixed layout, fixed fonts, fixed wording, fixed number of pages and page order, fixed section titles, fixed everything. It was repeated over and over that this fixed format is the only correct way to write a resume/proposal. When I asked how can they teach something so absurd, the reply was that if they would teach general principles of resume/proposal writing instead, the majority of students would not be able to produce a passable document on their own after taking the class.
As for plagiarism policies, they arise from having a plethora of meaningless general education classes and filler classes that differ only in the catalog description. General purpose English, history, economics, philosophy, etc. classes basically amount to an iota of material any respectable 8th grader knows by heart and mostly consist of a lively discussion of politics, current events and what I call “touchy subjects” (feminism, racism, environmentalism, epistemology, etc.) . It’s almost insulting to write papers for these classes and if I wasn’t able to hammer out some bullshit paper at 4 pages per hour on any subject, I’d probably plagiarize too.
My university’s plagiarism policy included a clause which states that submitting one assigment to two different classes is plagiarism and is as reprehensible as copying without attribution. Except it is your own work, and in a proper academic setting it is hard to imagine a situation where one paper can be submitted to two different classes for two different assignments. Says something about the school’s curriculum, doesn’t it?