APA način citiranja (7. izdanje)
Enger, E. D., Smith, B. F., & Bockarie, A. T. (2006). Environmental science: A study of interrelationships (10th ed.). McGraw-Hill.
Čikaški stil citiranja (17. izdanje)
Enger, Eldon D., Bradley F. Smith, i Anne Todd Bockarie. Environmental Science: A Study of Interrelationships. 10th ed. Boston: McGraw-Hill, 2006.
MLA način citiranja (9. izdanje)
Enger, Eldon D., et al. Environmental Science: A Study of Interrelationships. 10th ed. McGraw-Hill, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.