APA (7th ed.) Citation

Leibniz, G. W., Huggard, E. M., & Farrer, A. (2005). Theodicy Essays on the Goodness of God, the Freedom of Man and the Origin of Evil. Project Gutenberg.

Chicago Style (17th ed.) Citation

Leibniz, Gottfried Wilhelm, E. M. Huggard, and Austin Farrer. Theodicy Essays on the Goodness of God, the Freedom of Man and the Origin of Evil. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Leibniz, Gottfried Wilhelm, et al. Theodicy Essays on the Goodness of God, the Freedom of Man and the Origin of Evil. Project Gutenberg, 2005.

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