APA-referens (7:e uppl.)

Carpenter, F. G. (1907). How the world is fed. American Book Company.

Chicago-referens (17:e uppl.)

Carpenter, Frank G. How the World Is Fed. New York: American Book Company, 1907.

MLA-referens (8:e uppl.)

Carpenter, Frank G. How the World Is Fed. American Book Company, 1907.