Cita APA (7th ed.)

Gruber, H. E. (1974). Darwin on man: A psychological study of scientific creativity ([1st ed.].). E. P. Dutton.

Cita Chicago (17th ed.)

Gruber, Howard E. Darwin on Man: A Psychological Study of Scientific Creativity. [1st ed.]. New York: E. P. Dutton, 1974.

Cita MLA (9th ed.)

Gruber, Howard E. Darwin on Man: A Psychological Study of Scientific Creativity. [1st ed.]. E. P. Dutton, 1974.