APA (7th ed.) Citation

Gritzner, C. F. (1989). World geography. D.C. Heath.

Chicago Style (17th ed.) Citation

Gritzner, Charles F. World Geography. Lexington, Mass: D.C. Heath, 1989.

MLA (9th ed.) Citation

Gritzner, Charles F. World Geography. D.C. Heath, 1989.

Warning: These citations may not always be 100% accurate.