Gaya APA

Fehrenbacher, D, E. (1964). Abraham Lincoln: a Documentary Portrait Through His Speeches and Writings (Cet. 1.--). New York: A Signet Classic.

Gaya MLA

Fehrenbacher, Don, E.. "Abraham Lincoln: a Documentary Portrait Through His Speeches and Writings". Cet. 1.-- New York: A Signet Classic, 1964. Text.