Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.