APA Style

Enger, Eldon D., Smith, Bradley F.. (2004). Environmental science: A study of interrelationships 9th edition (9th edition). Boston: McGraw-Hill Book.

Chicago Style

Enger, Eldon D., Smith, Bradley F.. Environmental science: A study of interrelationships 9th edition. 9th edition Boston: McGraw-Hill Book, 2004. Printed Book.

MLA Style

Enger, Eldon D., Smith, Bradley F.. Environmental science: A study of interrelationships 9th edition. 9th edition Boston: McGraw-Hill Book, 2004. Printed Book.

Turabian Style

Enger, Eldon D., Smith, Bradley F.. Environmental science: A study of interrelationships 9th edition. 9th edition Boston: McGraw-Hill Book, 2004. Printed Book.