APA-Zitierstil (7. Ausg.)

Enger, E. D., & Smith, B. F. (1992). Environmental science: A study of interrelationships (4th ed.). W.C. Brown.

Chicago-Zitierstil (17. Ausg.)

Enger, Eldon D., und Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 4th ed. Dubuque, IA: W.C. Brown, 1992.

MLA-Zitierstil (9. Ausg.)

Enger, Eldon D., und Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 4th ed. W.C. Brown, 1992.