Styl cytowania APA

Sterling, K. B. (1998). American geographers and the OSS during World War II. The U.S. Army and World War II.

Styl cytowania Chicago

Sterling, Keir B. "American Geographers and the OSS During World War II." The U.S. Army and World War II 1998.

Styl cytowania MLA

Sterling, Keir B. "American Geographers and the OSS During World War II." The U.S. Army and World War II, 1998.