APA引文

Vance, C. (1983). Hard choices: Critical years in America's foreign policy. New York: Simon and Schuster.

Trích dẫn kiểu Chicago

Vance, Cyrus. Hard Choices: Critical Years in America's Foreign Policy. New York: Simon and Schuster, 1983.

MLA引文

Vance, Cyrus. Hard Choices: Critical Years in America's Foreign Policy. New York: Simon and Schuster, 1983.

警告：這些引文格式不一定是100％准確.