APA (7th ed.) Citation

Clute, W. N. (1928). The fern allies of North America north of Mexico. W. N. Clute & co..

Chicago Style (17th ed.) Citation

Clute, Willard Nelson. The Fern Allies of North America North of Mexico. Joliet, Ill.: W. N. Clute & co., 1928.

MLA (9th ed.) Citation

Clute, Willard Nelson. The Fern Allies of North America North of Mexico. W. N. Clute & co., 1928.