APA (7th ed.) Citation

Tidestrom, I. (1913). Botrychium virginianum and its forms; Sphenoclea zeylanica and Caperonia palustris in Southern U.S. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Tidestrom, Ivar. Botrychium Virginianum and Its Forms; Sphenoclea Zeylanica and Caperonia Palustris in Southern U.S. [Place of publication not identified]: U.S. Government Printing Office, 1913.

MLA (9th ed.) Citation

Tidestrom, Ivar. Botrychium Virginianum and Its Forms; Sphenoclea Zeylanica and Caperonia Palustris in Southern U.S. U.S. Government Printing Office, 1913.