APA (7th ed.) Citation

Cullen, J. (1992). The orchid book: A guide to the identification of cultivated orchid species (1. published.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Cullen, James. The Orchid Book: A Guide to the Identification of Cultivated Orchid Species. 1. published. Cambridge [und 2 weitere]: Cambridge Univ. Press, 1992.

MLA (9th ed.) Citation

Cullen, James. The Orchid Book: A Guide to the Identification of Cultivated Orchid Species. 1. published. Cambridge Univ. Press, 1992.