APA引文

King, M. L. (1968). Pacem in terris. New York: Fronters.

Trích dẫn kiểu Chicago

King, Martin Luther. Pacem in Terris. New York: Fronters, 1968.

MLA引文

King, Martin Luther. Pacem in Terris. New York: Fronters, 1968.

警告：這些引文格式不一定是100％准確.