Citazione Stile APA (7a Edizione)

Enger, E. D., & Smith, B. F. (1995). Field and laboratory activities in environmental science (5th ed.). Wm. C. Brown.

Citazione stile Chigago Style (17a edizione)

Enger, Eldon D., e Bradley F. Smith. Field and Laboratory Activities in Environmental Science. 5th ed. Dubuque IA, U.S.A: Wm. C. Brown, 1995.

Citatione MLA (9a ed.)

Enger, Eldon D., e Bradley F. Smith. Field and Laboratory Activities in Environmental Science. 5th ed. Wm. C. Brown, 1995.