APA (7th ed.) Citation

Anderson, D. D. (1972). Robert Ingersoll. Twayne Publishers.

Chicago Style (17th ed.) Citation

Anderson, David D. Robert Ingersoll. New York: Twayne Publishers, 1972.

MLA (9th ed.) Citation

Anderson, David D. Robert Ingersoll. Twayne Publishers, 1972.

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