APA-referens (7:e uppl.)

Higham, J. The tribal twenties: John Higham. Twentieth-century america : recent interpretations.(1972).

Chicago-referens (17:e uppl.)

Higham, John. "The Tribal Twenties: John Higham." Twentieth-century America : Recent Interpretations.(1972) .

MLA-referens (8:e uppl.)

Higham, John. "The Tribal Twenties: John Higham." Twentieth-century America : Recent Interpretations.(1972), .