Cita APA (7a ed.)

Byrd, O. E. (1966). Health 7, health, safety, fitness. Laidlaw.

Cita Chicago Style (17a ed.)

Byrd, Oliver E. Health 7, Health, Safety, Fitness. River Forest, Ill: Laidlaw, 1966.

Cita MLA (9a ed.)

Byrd, Oliver E. Health 7, Health, Safety, Fitness. Laidlaw, 1966.