Cita APA (7th ed.)

(1974). V. 22, № 10. 1974.

Cita Chicago (17th ed.)

V. 22, № 10. 1974, 1974.

Cita MLA (9th ed.)

V. 22, № 10. 1974, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.