Gaya APA

Wheeler, J, H., Trenton, I, K, J. (1955). **Geography of the world an introductory survey . New York: New York: Holt, Rinehart and Winston; 1955.

Gaya MLA

Wheeler, Jesse, H., Trenton, I., Kostbade,, J.. "**Geography of the world an introductory survey". New York: New York: Holt, Rinehart and Winston; 1955, 1955. Text.