APA (7th ed.) Citation

Rittershausen, B., & Rittershausen, W. (1985). Orchid growing illustrated. Blanford Press.

Chicago Style (17th ed.) Citation

Rittershausen, Brian, and Wilma Rittershausen. Orchid Growing Illustrated. New York: Blanford Press, 1985.

MLA (9th ed.) Citation

Rittershausen, Brian, and Wilma Rittershausen. Orchid Growing Illustrated. Blanford Press, 1985.