Answer:
The most common citation is MLA, after that AP, and the other's after that. I'm not 100% sure but close.
Explanation:
The term or name for word clues in a text that appear different because they are bolded, highlighted, italicized or written in a different font is typographical, which refers to the work of setting and arranging types and of printing from them; it pertains to the character and appearance of printed material.
