APA (7th ed.) Citation

Voltaire, Fleming, W. F., Morley, J., Leigh, O. H. G., & Smollett, T. (2011). A Philosophical Dictionary, Volume 4. Project Gutenberg.

Chicago Style (17th ed.) Citation

Voltaire, William F. Fleming, John Morley, Oliver Herbrand Gordon Leigh, and T. Smollett. A Philosophical Dictionary, Volume 4. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Voltaire, et al. A Philosophical Dictionary, Volume 4. Project Gutenberg, 2011.

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