Cita APA

Carl Waldman. (1992). Who was who in world exploration. New York: Facts on File.

Chicago Style Citation

Carl Waldman. Who Was Who in World Exploration. New York: Facts on File, 1992.

Cita MLA

Carl Waldman. Who Was Who in World Exploration. New York: Facts on File, 1992.

Atenció: Aquestes cites poden no estar 100% correctes.