APA (7th ed.) Citation

Broek & Webb. (1978). A geography of mankind (3d ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Broek and Webb. A Geography of Mankind. 3d ed. New York: McGraw-Hill, 1978.

MLA (8th ed.) Citation

Broek and Webb. A Geography of Mankind. 3d ed. McGraw-Hill, 1978.