APA (7th ed.) Citation

Sohn, I. G. (1961). Aechminella, Amphissites, Kirkbyella, and related genera. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Sohn, I. G. Aechminella, Amphissites, Kirkbyella, and Related Genera. Washington, D.C.: U.S. G.P.O., 1961.

MLA (9th ed.) Citation

Sohn, I. G. Aechminella, Amphissites, Kirkbyella, and Related Genera. U.S. G.P.O., 1961.