APA:
Author (date of original source). Article title. Original source of article, page numbers. (Retrieved [month day, year,] from [source] database ([name of database], [item no. – if applicable]) on the World Wide Web: Electronic Address, or URL, of the source.
Instead of footnote or endnote, the author’s last name and the publication year (original source/date of visit to site) are placed in parentheses within the body of the text
Chicago:
Author. “Article title.” Original source of article, date of original source, page numbers. Product the article is available on; URL of specific article (Location of site publisher, publisher, date of visit to site).
Number of footnote Author, Article Title, date of Internet publication, URL or other retrieval information (date of access), text division (if applicable).
MLA:
Author’s Last Name, First Name. “Title of work.” Article’s original source and publication date: page numbers. Product name. Publisher. Date researcher visited site. <Electronic Address, or URL, of the source>.
Instead of footnotes or endnotes, the author’s last name and a shortened version of the title are place in parentheses within the body of the text.
Turabian:
Author. “Article title.” Original source of article, date of original source, page numbers. Product the article is available on; URL of specific article (Location of site publisher, publisher, date of visit to site).
Number of footnote Author, “Article title,” Original source of article, date of original source, page numbers, product the article is available on; URL of specific article (Location of site publisher: publisher, date of visit to site).
The first under each is the bibliography entry format followed by the footnote/endnote format.
Most databases have a help section that will indicate how to cite the articles obtained.
