APA (7th ed.) Citation

Crickmay, C. H. (1933). Some of Alpheus Hyatt's unfigured types from the Jurassic of California. United States Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Crickmay, C. H. Some of Alpheus Hyatt's Unfigured Types from the Jurassic of California. Washington: United States Department of the Interior, United States Geological Survey, 1933.

MLA (9th ed.) Citation

Crickmay, C. H. Some of Alpheus Hyatt's Unfigured Types from the Jurassic of California. United States Department of the Interior, United States Geological Survey, 1933.