to quote or mention evidence as proof or an example of what you are saying

Cite.

Explanation:

Citing is an act of giving rightful credit to the originator of an idea.

It is an act of quoting or mentioning of a book or author as an evidence in a scholarly work. By quoting or mentioning the name or the source, a researcher avoids the possibility of plagiarism. It also helps to give the praise and rightful credit to the who developed that idea or thought. Citing also helps to give a proof or evidence of what is stated is true and factual.

So, the correct answer is cite.

i think the answer is d.

answer: from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion—that we here highly resolve that these dead shall not have died in vain, that this nation under god shall have a new birth of freedom, and that government of the people

explanation: