I cant tell you the exact answer without the answer choices but commonly used formats include MLA, APA, and AMA. hope this helps!
Renaissance is your answer for this one.
A proper noun is just a specific noun and starts with a capital letter. Some suggestions: Honda Civic. McDonald's. (Your name). Texas. Grand Theft Auto. The Hunger Games. (Your teacher). Time Magazine. Red. Despicable Me. I hope this helps :)