Citace podle APA (7th ed.)

Enger, E. D., & Smith, B. F. (2013). Environmental science: A study of interrelationships (13th edition.). McGraw Hill.

Citace podle Chicago (17th ed.)

Enger, Eldon D., a Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 13th edition. New York: McGraw Hill, 2013.

Citace podle MLA (9th ed.)

Enger, Eldon D., a Bradley Fraser Smith. Environmental Science: A Study of Interrelationships. 13th edition. McGraw Hill, 2013.

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