APA (7th ed.) Citation

Smith, A. R. (1971). Systematics of the neotropical species of Thelypteris, section Cyclosorus. University of California Press.

Chicago Style (17th ed.) Citation

Smith, Alan R. Systematics of the Neotropical Species of Thelypteris, Section Cyclosorus. Berkeley [und 2 weitere]: University of California Press, 1971.

MLA (9th ed.) Citation

Smith, Alan R. Systematics of the Neotropical Species of Thelypteris, Section Cyclosorus. University of California Press, 1971.