APA Цитирование

Enger, E. D., & Smith, B. F. (2004). Environmental science: A study of interrelationships. (9th ed.). Boston: McGraw-Hill Higher Education.

Chicago-стиль цитирования

Enger, Eldon D., và Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 9th ed. Boston: McGraw-Hill Higher Education, 2004.

MLA-цитирование

Enger, Eldon D., và Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 9th ed. Boston: McGraw-Hill Higher Education, 2004.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.