APA (7th ed.) Citation

Tryon, R. M., & Tryon, A. F. (1982). Ferns and Allied Plants: With Special Reference to Tropical America. Springer New York.

Chicago Style (17th ed.) Citation

Tryon, Rolla M., and Alice F. Tryon. Ferns and Allied Plants: With Special Reference to Tropical America. New York, NY: Springer New York, 1982.

MLA (9th ed.) Citation

Tryon, Rolla M., and Alice F. Tryon. Ferns and Allied Plants: With Special Reference to Tropical America. Springer New York, 1982.