You use the author's last name and the page number you got the quote from.
This is called Dramatic Irony. The definition of this is in the question.
Answer:
The central ideas of a text are those that are most important. The rest of the text is built around these main ideas. Main ideas also tend to be supported by details which expand on their information and claims. Finally, main ideas can be either explicitly stated or implied, without altering their importance and relevance to the text
Answer:
C
Explanation:
Based on the passage, it mentions nobility, upper class, and that it was a measure of wealth and status. This time spans from Ancient Latin America to the 1700s which would be a majority of its usage.
C would define it the best I hope this helps you