APA (7th ed.) Citation

Rittershausen, W. (2000). The practical encyclopedia of orchids: A complete guide to orchids and their cultivation. Lorenz Books.

Chicago Style (17th ed.) Citation

Rittershausen, Wilma. The Practical Encyclopedia of Orchids: A Complete Guide to Orchids and Their Cultivation. London: Lorenz Books, 2000.

MLA (9th ed.) Citation

Rittershausen, Wilma. The Practical Encyclopedia of Orchids: A Complete Guide to Orchids and Their Cultivation. Lorenz Books, 2000.

Warning: These citations may not always be 100% accurate.