APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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