Cita APA (7th ed.)

Copen, B. (1974). A rainbow of health. Academic Publications.

Cita Chicago (17th ed.)

Copen, Bruce. A Rainbow of Health. Danehill: Academic Publications, 1974.

Cita MLA (8th ed.)

Copen, Bruce. A Rainbow of Health. Academic Publications, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.