Kogan, B. A. (1974). Health: Man in a changing environment (2d ed.). Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)Kogan, Benjamin A. Health: Man in a Changing Environment. 2d ed. New York: Harcourt Brace Jovanovich, 1974.
Cita MLA (9th ed.)Kogan, Benjamin A. Health: Man in a Changing Environment. 2d ed. Harcourt Brace Jovanovich, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.