APA (7th ed.) Citation

(1940). The Ferns and fern allies of Wisconsin. University of Wisconsin. Department of Botany.

Chicago Style (17th ed.) Citation

The Ferns and Fern Allies of Wisconsin. Wisconsin: University of Wisconsin. Department of Botany, 1940.

MLA (9th ed.) Citation

The Ferns and Fern Allies of Wisconsin. University of Wisconsin. Department of Botany, 1940.

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