APA (7th ed.) Citation

Keck, D. D. (1938). Revision of Horkelia and Ivesia. Lloyd Museum.

Chicago Style (17th ed.) Citation

Keck, David D. Revision of Horkelia and Ivesia. Cincinnati, Ohio: Lloyd Museum, 1938.

MLA (9th ed.) Citation

Keck, David D. Revision of Horkelia and Ivesia. Lloyd Museum, 1938.

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