APA Citation

Dressler, R. L. (1981). The orchids: Natural history and classification. London: Harvard.

Chicago Style Citation

Dressler, Robert L. The Orchids: Natural History and Classification. London: Harvard, 1981.

MLA Citation

Dressler, Robert L. The Orchids: Natural History and Classification. London: Harvard, 1981.

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