APA
Diehl H. S. &. D. W., . (1968). Healthful living. Mcgraw-Hill Book Company, New York: .
Chicago
Diehl Harold S & Dalrymple Willard, . 1968. Healthful living. Mcgraw-Hill Book Company, New York: .
Harvard
Diehl H. S. &. D. W., . (1968). Healthful living. Mcgraw-Hill Book Company, New York: .
MLA
Diehl Harold S & Dalrymple Willard, . Healthful living. Mcgraw-Hill Book Company, New York: . 1968.