APA-referens (7:e uppl.)

Duggan, S. P. H. (1943). A professor at large. Macmillan.

Chicago-referens (17:e uppl.)

Duggan, Stephen Pierce Hayden. A Professor at Large. New York: Macmillan, 1943.

MLA-referens (9:e uppl.)

Duggan, Stephen Pierce Hayden. A Professor at Large. Macmillan, 1943.