APA (7th ed.) Citation

Hetzel, B. S., & McMichael, T. (1987). The LS factor: Lifestyle and health. Penguin.

Chicago Style (17th ed.) Citation

Hetzel, Basil S., and Tony McMichael. The LS Factor: Lifestyle and Health. Ringwood, Vic.: Penguin, 1987.

MLA (8th ed.) Citation

Hetzel, Basil S., and Tony McMichael. The LS Factor: Lifestyle and Health. Penguin, 1987.