APA (7th ed.) Citation

Casanova, R. L. (1957). An illustrated guide to fossil collecting. Naturegraph Co..

Chicago Style (17th ed.) Citation

Casanova, Richard L. An Illustrated Guide to Fossil Collecting. San Martin, Calif.: Naturegraph Co., 1957.

MLA (9th ed.) Citation

Casanova, Richard L. An Illustrated Guide to Fossil Collecting. Naturegraph Co., 1957.