Cita APA (7th ed.)

Heller, R. F., & Heller, R. F. (1995). Healthy for life: The scientific breakthrough program for looking, feeling, and staying healthy without deprivation. Dutton.

Cita Chicago (17th ed.)

Heller, Richard F., i Rachael F. Heller. Healthy for Life: The Scientific Breakthrough Program for Looking, Feeling, and Staying Healthy Without Deprivation. New York, N.Y., U.S.A: Dutton, 1995.

Cita MLA (9th ed.)

Heller, Richard F., i Rachael F. Heller. Healthy for Life: The Scientific Breakthrough Program for Looking, Feeling, and Staying Healthy Without Deprivation. Dutton, 1995.