Cita APA (7th ed.)

(2002). The water planet. Glencoe McGraw-Hill.

Cita Chicago (17th ed.)

The Water Planet. New York: Glencoe McGraw-Hill, 2002.

Cita MLA (9th ed.)

The Water Planet. Glencoe McGraw-Hill, 2002.

Atenció: Aquestes cites poden no estar 100% correctes.