APA (7th ed.) Citation

Thomas, A. (2006). Summa Theologica, Part III (Tertia Pars) From the Complete American Edition. Project Gutenberg.

Chicago Style (17th ed.) Citation

Thomas, Aquinas. Summa Theologica, Part III (Tertia Pars) From the Complete American Edition. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Thomas, Aquinas. Summa Theologica, Part III (Tertia Pars) From the Complete American Edition. Project Gutenberg, 2006.

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