Citazione Stile APA (7a Edizione)

Lavorgna, G. M. (1998). Environment: Issues and alternatives (Rev. ed.). Kendall/Hunt.

Citazione stile Chigago Style (17a edizione)

Lavorgna, Gary M. Environment: Issues and Alternatives. Rev. ed. Dubuque: Kendall/Hunt, 1998.

Citatione MLA (9a ed.)

Lavorgna, Gary M. Environment: Issues and Alternatives. Rev. ed. Kendall/Hunt, 1998.