APA (7th ed.) Citation

Johnson, D. B. (2007). Four legs bad, two legs good! Houghton Mifflin.

Chicago Style (17th ed.) Citation

Johnson, Donald B. Four Legs Bad, Two Legs Good! Boston: Houghton Mifflin, 2007.

MLA (9th ed.) Citation

Johnson, Donald B. Four Legs Bad, Two Legs Good! Houghton Mifflin, 2007.