APA (7th ed.) Citation

Ingersoll, R. G. (2012). The Works of Robert G. Ingersoll, Vol. 4 (of 12) Dresden Edition-Lectures. Project Gutenberg.

Chicago Style (17th ed.) Citation

Ingersoll, Robert Green. The Works of Robert G. Ingersoll, Vol. 4 (of 12) Dresden Edition-Lectures. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Ingersoll, Robert Green. The Works of Robert G. Ingersoll, Vol. 4 (of 12) Dresden Edition-Lectures. Project Gutenberg, 2012.

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