APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Rittershausen, Brian, and Wilma Rittershausen. Orchid Growing Illustrated. Poole, Dorset: Blandford Press, 1985.

MLA (9th ed.) Citation

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