Cita APA (7th ed.)

Cowell, C. C., & Schwehn, H. M. (1958). Modern principles and methods in highschool physical education. Allyn and Bacon.

Cita Chicago (17th ed.)

Cowell, Charles Clarence, i Hilda M. Schwehn. Modern Principles and Methods in Highschool Physical Education. Boston: Allyn and Bacon, 1958.

Cita MLA (9th ed.)

Cowell, Charles Clarence, i Hilda M. Schwehn. Modern Principles and Methods in Highschool Physical Education. Allyn and Bacon, 1958.