APA Citatie

Bergman, E. F., & Renwick, W. H. (1999). Introduction to geography: People, places, and environment. Upper Saddle River, N.J: Prentice Hall.

Chicago Style citaat

Bergman, Edward F., en William H. Renwick. Introduction to Geography: People, Places, and Environment. Upper Saddle River, N.J: Prentice Hall, 1999.

MLA citatie

Bergman, Edward F., en William H. Renwick. Introduction to Geography: People, Places, and Environment. Upper Saddle River, N.J: Prentice Hall, 1999.