Citazione Stile APA (7a Edizione)

Swan, J. A., & Stepp, W. B. (1974). Environmental education: Strategies toward a more livable future. Sage Pub.

Citazione stile Chigago Style (17a edizione)

Swan, James A., e William B. Stepp. Environmental Education: Strategies Toward a More Livable Future. Beverly Hills, Calif: Sage Pub, 1974.

Citatione MLA (9a ed.)

Swan, James A., e William B. Stepp. Environmental Education: Strategies Toward a More Livable Future. Sage Pub, 1974.