NoodleTools is an online system of helping you create your bibliography and parenthetical references.
Watch this short Noodletools video tutorial to help get you started.
There are many style manuals for citing sources.
Two most commonly used ones are APA and MLA.
Always use the one that is required by your instructor.
Use APA for these classes:
PCN 3 (H. Gecox)
PSYC 6 (D. Leveque)