Citazione APA

Wall, F. P., & Zeidberg, L. D. (1946). Health guides and guards (3d ed.). Prentice-Hall, inc..

Stile di citazione Chicago

Wall, Francis Prince, e Louis David Zeidberg. Health Guides and Guards. 3d ed. New York: Prentice-Hall, inc., 1946.

Citazione MLA

Wall, Francis Prince, e Louis David Zeidberg. Health Guides and Guards. 3d ed. Prentice-Hall, inc., 1946.