APA (7th ed.) Citation

Crewe, R. J., & Cave, L. (1986). World geography (Senior ed.). Heath.

Chicago Style (17th ed.) Citation

Crewe, R. James, and Larry Cave. World Geography. Senior ed. [Toronto]: Heath, 1986.

MLA (9th ed.) Citation

Crewe, R. James, and Larry Cave. World Geography. Senior ed. Heath, 1986.