APA (7th ed.) Citation

Ritchie, C. I. A. (1971). Carving shells and cameos and other marine products: Tortoiseshell, coral, amber, jet ([1st American ed.].). A. S. Barnes.

Chicago Style (17th ed.) Citation

Ritchie, Carson I. A. Carving Shells and Cameos and Other Marine Products: Tortoiseshell, Coral, Amber, Jet. [1st American ed.]. South Brunswick: A. S. Barnes, 1971.

MLA (9th ed.) Citation

Ritchie, Carson I. A. Carving Shells and Cameos and Other Marine Products: Tortoiseshell, Coral, Amber, Jet. [1st American ed.]. A. S. Barnes, 1971.