APA (7th ed.) Citation

Mendoza, M. G., & Napoli, V. (1973). Systems of man: An introduction to social science. Heath.

Chicago Style (17th ed.) Citation

Mendoza, Manuel G., and Vince Napoli. Systems of Man: An Introduction to Social Science. Lexington, Mass.: Heath, 1973.

MLA (9th ed.) Citation

Mendoza, Manuel G., and Vince Napoli. Systems of Man: An Introduction to Social Science. Heath, 1973.