APA استشهاد

Handlin, O. (1966). American people in the twentieth century (2nd ed.).

استشهاد بنمط شيكاغو

Handlin, Oscar. American People in the Twentieth Century. 2nd ed. 1966.

MLA استشهاد

Handlin, Oscar. American People in the Twentieth Century. 2nd ed. 1966.