Generally, any sentence that contains research-based information must include a three-part in-text citation that lets readers know the source of the information.

True

False

I sat True. Please check my answer.

3 answers

How is your text defining "three-part"? And are you studying APA or MLA guidelines or what?
Yes I'm studying a three-part in-text citation for APA guidelines.
Then three-part is correct.

http://owl.english.purdue.edu/owl/resource/560/02/