APA (7 ম সংস্করণ) উদ্ধৃতি

Enger, E. D., & Smith, B. F. (2004). Environmental science: A study of interrelationships (Ninth edition.). McGraw-Hill Higher Education.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Enger, Eldon D., এবং Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. Ninth edition. Boston: McGraw-Hill Higher Education, 2004.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Enger, Eldon D., এবং Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. Ninth edition. McGraw-Hill Higher Education, 2004.