Citazione Stile APA (7a Edizione)

Null, G. (1992). Clearer, cleaner, safer, greener: A blueprint for detoxifying your environment. Villard Books.

Citazione stile Chigago Style (17a edizione)

Null, Gary. Clearer, Cleaner, Safer, Greener: A Blueprint for Detoxifying Your Environment. New York: Villard Books, 1992.

Citatione MLA (9a ed.)

Null, Gary. Clearer, Cleaner, Safer, Greener: A Blueprint for Detoxifying Your Environment. Villard Books, 1992.