APA引文

Stern, P. V. D. (1940). life and writings of Abraham Lincoln. Modern Library.

Chicago Edition Citation

Stern, Philip Van Doren. Life and Writings of Abraham Lincoln. New york: Modern Library, 1940.

MLA引文

Stern, Philip Van Doren. Life and Writings of Abraham Lincoln. Modern Library, 1940.

警告：這些引文格式不一定是100％准確.