IEEE Style Manual
An online style manual for IEEE submissions - commonly used by engineering community.
APA launched the 7th edition of the APA Style Manual in late 2019. That is now the current edition in use.
How to Write an APA Style Reference When Information Is Missing
Courtesy of the APA itself.
Bibliographic Management Software
(There's an app for that!) These software programs do citations for you! They create, organize, and format lists of citations, saving you time and effort.
BMS Comparison Chart
For basic citation management, the Zotero Firefox add-on is recommended. For advanced citation management, Endnote and Mendeley are recommended. Librarians can give consultations on citation and data management.