Cita APA (7th ed.)
Royce, J. E. (1961). Man and his nature: A philosophical psychology. McGraw-Hill.
Cita Chicago (17th ed.)
Royce, James E. Man and His Nature: A Philosophical Psychology. Nueva York, EUA: McGraw-Hill, 1961.
Cita MLA (9th ed.)
Royce, James E. Man and His Nature: A Philosophical Psychology. McGraw-Hill, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.