APA Citation

(1940). Optical projection as an aid in studying plane spiral coiling of small fossil lamellibranchs. [s.l.]: [s.n.].

Chicago Style Citation

Optical Projection As an Aid in Studying Plane Spiral Coiling of Small Fossil Lamellibranchs. [s.l.]: [s.n.], 1940.

MLA Citation

Optical Projection As an Aid in Studying Plane Spiral Coiling of Small Fossil Lamellibranchs. [s.l.]: [s.n.], 1940.

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