APA (7th ed.) Citation

Salter, C. L., & Hobbs, J. J. (2003). Essentials of world regional geography (4th ed.). Thomson Brooks/Cole.

Chicago Style (17th ed.) Citation

Salter, Christopher L., and Joseph John Hobbs. Essentials of World Regional Geography. 4th ed. South Melbourne, Vic., Australia: Thomson Brooks/Cole, 2003.

MLA (9th ed.) Citation

Salter, Christopher L., and Joseph John Hobbs. Essentials of World Regional Geography. 4th ed. Thomson Brooks/Cole, 2003.