APA (7th ed.) Citation

Boyle, F., & MacFarlane, J. L. (2010). The Woodlands Orchids, Described and Illustrated With Stories of Orchid-Collecting. Project Gutenberg.

Chicago Style (17th ed.) Citation

Boyle, Frederick, and J. L. MacFarlane. The Woodlands Orchids, Described and Illustrated With Stories of Orchid-Collecting. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Boyle, Frederick, and J. L. MacFarlane. The Woodlands Orchids, Described and Illustrated With Stories of Orchid-Collecting. Project Gutenberg, 2010.

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