Cita APA (7th ed.)

The Life of the Spirit (1944-1946). Wiley.

Cita Chicago (17th ed.)

The Life of the Spirit (1944-1946). Wiley.

Cita MLA (9th ed.)

The Life of the Spirit (1944-1946). Wiley.

Atenció: Aquestes cites poden no estar 100% correctes.