Cita APA (7a ed.)

Darrah, W. C. (1951). Powell of the Colorado. Princeton University Press.

Cita Chicago Style (17a ed.)

Darrah, William C. Powell of the Colorado. Princeton [N.J.]: Princeton University Press, 1951.

Cita MLA (8a ed.)

Darrah, William C. Powell of the Colorado. Princeton University Press, 1951.