APA (7th ed.) Citation

Broek, J. O. M., & Webb, J. W. (1968). A geography of mankind. McGraw-Hill.

Chicago Style (17th ed.) Citation

Broek, Jan Otto Marius, and John Winter Webb. A Geography of Mankind. New York: McGraw-Hill, 1968.

MLA (9th ed.) Citation

Broek, Jan Otto Marius, and John Winter Webb. A Geography of Mankind. McGraw-Hill, 1968.