APA (7th ed.) Citation

Smith, A. R. (1971). Systematics of the neotropical species of the thelypteris section cyclosorus. University of California.

Chicago Style (17th ed.) Citation

Smith, Alan Reid. Systematics of the Neotropical Species of the Thelypteris Section Cyclosorus. Berkeley: University of California, 1971.

MLA (9th ed.) Citation

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