APA-referens (7:e uppl.)

Howe, F. C. (1919). The only possible peace. C. Scribner's sons.

Chicago-referens (17:e uppl.)

Howe, Frederic Clemson. The Only Possible Peace. New York: C. Scribner's sons, 1919.

MLA-referens (8:e uppl.)

Howe, Frederic Clemson. The Only Possible Peace. C. Scribner's sons, 1919.