Cita APA (7th ed.)

Holt, S. (1964). World geography and you. Van Nostrand.

Cita Chicago (17th ed.)

Holt, Sol. World Geography and You. London: Van Nostrand, 1964.

Cita MLA (9th ed.)

Holt, Sol. World Geography and You. Van Nostrand, 1964.

Atenció: Aquestes cites poden no estar 100% correctes.