Citazione Stile APA (7a Edizione)

Kegel, C. H., & Stevens, M. (1959). Communication: Principles and practice. Wadsworth Pub.

Citazione stile Chigago Style (17a edizione)

Kegel, Charles H., e Martin Stevens. Communication: Principles and Practice. San Francisco: Wadsworth Pub, 1959.

Citatione MLA (9a ed.)

Kegel, Charles H., e Martin Stevens. Communication: Principles and Practice. Wadsworth Pub, 1959.