APA (7th ed.) Citation

Westrich, J., & Hager, B. R. (1989). The iris: The rainbow flower. Thames and Hudson.

Chicago Style (17th ed.) Citation

Westrich, Josh, and Ben R. Hager. The Iris: The Rainbow Flower. New York, N.Y.: Thames and Hudson, 1989.

MLA (9th ed.) Citation

Westrich, Josh, and Ben R. Hager. The Iris: The Rainbow Flower. Thames and Hudson, 1989.