APA (7th ed.) Citation

Gritzner, C. F. (1989). Heath world geography. Heath.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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