Ingersoll, R. G., & Greeley, R. E. (1983). The best of Robert Ingersoll: Immortal infidel; selections from his writings and speeches. Prometheus Books.
Chicago Style (17th ed.) CitationIngersoll, Robert Green, and Roger E. Greeley. The Best of Robert Ingersoll: Immortal Infidel; Selections from His Writings and Speeches. New York: Prometheus Books, 1983.
MLA (8th ed.) CitationIngersoll, Robert Green, and Roger E. Greeley. The Best of Robert Ingersoll: Immortal Infidel; Selections from His Writings and Speeches. Prometheus Books, 1983.
Warning: These citations may not always be 100% accurate.