APA (7th ed.) Citation

Ingersoll, R. G., & Elmo. (2011). Ingersollia Gems of Thought from the Lectures, Speeches, and Conversations of Col. Robert G. Ingersoll, Representative of His Opinions and Beliefs. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ingersoll, Robert Green, and Elmo. Ingersollia Gems of Thought from the Lectures, Speeches, and Conversations of Col. Robert G. Ingersoll, Representative of His Opinions and Beliefs. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Ingersoll, Robert Green, and Elmo. Ingersollia Gems of Thought from the Lectures, Speeches, and Conversations of Col. Robert G. Ingersoll, Representative of His Opinions and Beliefs. Project Gutenberg, 2011.

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