Brown, P. M. (1997). Wild orchids of the northeastern United States: A field and study guide to the orchids growing wild in New England, New York, and adjacent Pennsylvania and New Jersey. Comstock Publishing.
Chicago Style (17th ed.) CitationBrown, Paul Martin. Wild Orchids of the Northeastern United States: A Field and Study Guide to the Orchids Growing Wild in New England, New York, and Adjacent Pennsylvania and New Jersey. Ithaca: Comstock Publishing, 1997.
MLA (9th ed.) CitationBrown, Paul Martin. Wild Orchids of the Northeastern United States: A Field and Study Guide to the Orchids Growing Wild in New England, New York, and Adjacent Pennsylvania and New Jersey. Comstock Publishing, 1997.
Warning: These citations may not always be 100% accurate.