Cita APA (7th ed.)

Diehl, H. S. (1955). Textbook of healthful living. McGraw-Hill.

Cita Chicago (17th ed.)

Diehl, Harold S. Textbook of Healthful Living. Nueva York: McGraw-Hill, 1955.

Cita MLA (9th ed.)

Diehl, Harold S. Textbook of Healthful Living. McGraw-Hill, 1955.