Pursh, F., & Beauchamp, W. M. Journal of a botanical excursion in the northeastern parts of the states of Pennsylvania and New York: During the year 1807.
Chicago Style (17th ed.) CitationPursh, Frederick, and William Martin Beauchamp. Journal of a Botanical Excursion in the Northeastern Parts of the States of Pennsylvania and New York: During the Year 1807.
MLA (9th ed.) CitationPursh, Frederick, and William Martin Beauchamp. Journal of a Botanical Excursion in the Northeastern Parts of the States of Pennsylvania and New York: During the Year 1807.
Warning: These citations may not always be 100% accurate.