APA Citatie

Charters, W. W., Smiley, D. F., & Strang, R. M. (1941). Habits, healthful and safe. New York: Macmillan.

Chicago Style citaat

Charters, Werrett Wallace, Dean F. Smiley, en Ruth M. Strang. Habits, Healthful and Safe. New York: Macmillan, 1941.

MLA citatie

Charters, Werrett Wallace, Dean F. Smiley, en Ruth M. Strang. Habits, Healthful and Safe. New York: Macmillan, 1941.