EndNote Basic is available through Web of Science and is available to U of A faculty, staff and students. It allows you to save citations to a personal database and then format those citations in footnotes, end notes, or bibliographies. Register with your UARK email to get started.
Zotero is one of the free citation managers that are commonly used in academic circles; we don't have formalized support for it, but they have help pages and your librarian may be using one or more of them.
Citation styles used vary, and may include those for a particular journal. EndNote Basic will let you choose among hundreds of styles. Use what your department or adviser specifies. Below are links to information about the Chicago style, which, especially in the author date form, is common in science disciplines.
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The Chicago Manual of Style, 17th ed. by 
