APA (7th ed.) Citation

Thomas <de Aquino>. (1938). Summe der Theologie. Kröner.

Chicago Style (17th ed.) Citation

Thomas <de Aquino>. Summe Der Theologie. Leipzig: Kröner, 1938.

MLA (8th ed.) Citation

Thomas <de Aquino>. Summe Der Theologie. Kröner, 1938.

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