APA (7th ed.) Citation

Broek, J. O., & Webb, J. W. (1978). A geography of mankind. McGraw-Hill Book Comp.

Chicago Style (17th ed.) Citation

Broek, Jan O.M., and John W. Webb. A Geography of Mankind. McGraw-Hill Book Comp, 1978.

MLA (8th ed.) Citation

Broek, Jan O.M., and John W. Webb. A Geography of Mankind. McGraw-Hill Book Comp, 1978.

Warning: These citations may not always be 100% accurate.