James, W., & Hutchins, R. M. The principles of psychology: William James.
Cita Chicago (17th ed.)James, William, i Robert Maynar Hutchins. The Principles of Psychology: William James.
Cita MLA (8th ed.)James, William, i Robert Maynar Hutchins. The Principles of Psychology: William James.
Atenció: Aquestes cites poden no estar 100% correctes.