Generally, you should capitalize all nouns in a sentence if you are using title case (Chicago, APA, AP). However, if you are using sentence case in APA, you should only capitalize the first word in a sentence and only proper nouns ¹.
Generally, you should capitalize all nouns in a sentence if you are using title case (Chicago, APA, AP). However, if you are using sentence case in APA, you should only capitalize the first word in a sentence and only proper nouns ¹.