APA stil citiranja

Hamm, W. A. (1935). A Unit History of the United States: A Unit History of the United States. Boston [etc.]: D. C. Heath and Company.

Chicago stil citiranja

Hamm, William A. A Unit History of the United States: A Unit History of the United States. Boston [etc.]: D. C. Heath and Company, 1935.

MLA stil citiranja

Hamm, William A. A Unit History of the United States: A Unit History of the United States. Boston [etc.]: D. C. Heath and Company, 1935.