Cobb, B., Farnsworth, E., & Lowe, C. (2005). A field guide to ferns and their related families: Northeastern and central North America (2nd ed.). Boston: Houghton Mifflin Co..
Chicago Style CitationCobb, Boughton., Elizabeth Farnsworth, and Cheryl Lowe. A Field Guide to Ferns and Their Related Families: Northeastern and Central North America. 2nd ed. Boston: Houghton Mifflin Co., 2005.
MLA CitationCobb, Boughton., Elizabeth Farnsworth, and Cheryl Lowe. A Field Guide to Ferns and Their Related Families: Northeastern and Central North America. 2nd ed. Boston: Houghton Mifflin Co., 2005.
Warning: These citations may not always be 100% accurate.