Cita APA (7th ed.)

(1972). V. AC-17, № 2. 1972.

Cita Chicago (17th ed.)

V. AC-17, № 2. 1972, 1972.

Cita MLA (9th ed.)

V. AC-17, № 2. 1972, 1972.

Atenció: Aquestes cites poden no estar 100% correctes.