APA (7th ed.) Citation

Blomquist, H. L. (1934). Ferns of North Carolina. Duke university press.

Chicago Style (17th ed.) Citation

Blomquist, H. L. Ferns of North Carolina. Durham, N. C.: Duke university press, 1934.

MLA (9th ed.) Citation

Blomquist, H. L. Ferns of North Carolina. Duke university press, 1934.