Parsons, F. T. (1899). How to know the ferns: A guide to the names, haunts and habits of our common ferns. C. Scribner's sons.
Chicago Style (17th ed.) CitationParsons, Frances Theodora. How to Know the Ferns: A Guide to the Names, Haunts and Habits of Our Common Ferns. New York: C. Scribner's sons, 1899.
MLA (9th ed.) CitationParsons, Frances Theodora. How to Know the Ferns: A Guide to the Names, Haunts and Habits of Our Common Ferns. C. Scribner's sons, 1899.
Warning: These citations may not always be 100% accurate.