Cita APA (7a ed.)

Royce, J. E. (1961). Man and his nature: A philosophical psychology. McGraw-Hill.

Cita Chicago Style (17a ed.)

Royce, James E. Man and His Nature: A Philosophical Psychology. New York [etc.]: McGraw-Hill, 1961.

Cita MLA (9a ed.)

Royce, James E. Man and His Nature: A Philosophical Psychology. McGraw-Hill, 1961.