Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.