APA (7th ed.) Citation

Ridgway, R. (1940). Robert Ridgway. Priv. pub. [J.J. Little and Ives company].

Chicago Style (17th ed.) Citation

Ridgway, Robert. Robert Ridgway. New York: Priv. pub. [J.J. Little and Ives company], 1940.

MLA (9th ed.) Citation

Ridgway, Robert. Robert Ridgway. Priv. pub. [J.J. Little and Ives company], 1940.

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