APA (7th ed.) Citation

Michel, J. T., & Paulton, E. M. (1979). How to know the ferns and fern allies. WCB/McGraw-Hill.

Chicago Style (17th ed.) Citation

Michel, John T., and Edgar M. Paulton. How to Know the Ferns and Fern Allies. Boston: WCB/McGraw-Hill, 1979.

MLA (8th ed.) Citation

Michel, John T., and Edgar M. Paulton. How to Know the Ferns and Fern Allies. WCB/McGraw-Hill, 1979.

Warning: These citations may not always be 100% accurate.