APA
Diehl H. S. &. D. W., . (1964). Healthful living. New York: McGraw Hill.
Chicago
Diehl Harold S & Dalrymple Willard, . 1964. Healthful living. New York: McGraw Hill.
Harvard
Diehl H. S. &. D. W., . (1964). Healthful living. New York: McGraw Hill.
MLA
Diehl Harold S & Dalrymple Willard, . Healthful living. New York: McGraw Hill. 1964.