Cita APA (7a ed.)

Kittredge, M., & Koop, C. E. (1989). The respiratory system. Chelsea House.

Cita Chicago Style (17a ed.)

Kittredge, Mary, y C. Everett Koop. The Respiratory System. New York ; Philadelphia: Chelsea House, 1989.

Cita MLA (9a ed.)

Kittredge, Mary, y C. Everett Koop. The Respiratory System. Chelsea House, 1989.