APA (7th ed.) Citation

Richardson, E. S. (1949). A new Silurian trilobite Dalmanites oklahomae. Chicago Natural History Museum.

Chicago Style (17th ed.) Citation

Richardson, Eugene Stanley. A New Silurian Trilobite Dalmanites Oklahomae. [Chicago]: Chicago Natural History Museum, 1949.

MLA (9th ed.) Citation

Richardson, Eugene Stanley. A New Silurian Trilobite Dalmanites Oklahomae. Chicago Natural History Museum, 1949.

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