Cita APA (7th ed.)
James, W. (1950). The principles of psychology. Dover.
Cita Chicago (17th ed.)
James, William. The Principles of Psychology. Estados Unidos: Dover, 1950.
Cita MLA (9th ed.)
James, William. The Principles of Psychology. Dover, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.