Fernald, M. L., & Sornborger, J. D. (1899). Some recent additions to the Labrador flora ([Sonderdr.].).
Chicago Style (17th ed.) CitationFernald, Merritt Lyndon, and J. D. Sornborger. Some Recent Additions to the Labrador Flora. [Sonderdr.]. 1899.
MLA (9th ed.) CitationFernald, Merritt Lyndon, and J. D. Sornborger. Some Recent Additions to the Labrador Flora. [Sonderdr.]. 1899.
Warning: These citations may not always be 100% accurate.