Who knows everything? Probably no one! Writing an academic paper relies on reading prior works created by other authors.
Here is a great graphic from TeachBytes blog:
How about citing Discussion Threads from Blackboard?
APA, 6th edition, 7.11.74
Mooney, B. (2014, June 8). RE: Traditional knowledge and traditional cultural expressions [Online forum comment]. Retrieved from https://blackboard.assumption.edu (SP2014-SOC-121-04-Principles of Sociology).
What can you cite?
At left are links to some online guides that will show you HOW:
I love the citation tool: Cite Source (Developed by Trinity College in Hartford, CT, developed through a CTW Mellon Grant for Information Literacy).
Select your citation style, and get a step-by-step .pdf of how to do your citation depending on the type of source you are using.