Cita APA (7a ed.)

Clarke, F. M. (1929). Thomas Simpson and his Times. Columbia University.

Cita Chicago Style (17a ed.)

Clarke, Frances Marguerite. Thomas Simpson and His Times. New York: Columbia University, 1929.

Cita MLA (9a ed.)

Clarke, Frances Marguerite. Thomas Simpson and His Times. Columbia University, 1929.