APA (7th ed.) Citation

Hoglund, R., & Peterson, R. T. (2002). Roger Tory Peterson's colors: A book for beginner bird watchers and crayon users. Universe.

Chicago Style (17th ed.) Citation

Hoglund, Rudy, and Roger Tory Peterson. Roger Tory Peterson's Colors: A Book for Beginner Bird Watchers and Crayon Users. New York, NY: Universe, 2002.

MLA (9th ed.) Citation

Hoglund, Rudy, and Roger Tory Peterson. Roger Tory Peterson's Colors: A Book for Beginner Bird Watchers and Crayon Users. Universe, 2002.