APA (7th ed.) Citation

Tibbs, M., & Bilton, R. (1990). Orchids: An illustrated identifier and guide to cultivation. Quintet Book.

Chicago Style (17th ed.) Citation

Tibbs, Mike, and Ray Bilton. Orchids: An Illustrated Identifier and Guide to Cultivation. London: Quintet Book, 1990.

MLA (9th ed.) Citation

Tibbs, Mike, and Ray Bilton. Orchids: An Illustrated Identifier and Guide to Cultivation. Quintet Book, 1990.