APA (7th ed.) Citation

Thomae Aquinatis, S. Opera omnia: Summa theologica, summa sacramentalis.

Chicago Style (17th ed.) Citation

Thomae Aquinatis, Santo. Opera Omnia: Summa Theologica, Summa Sacramentalis.

MLA (8th ed.) Citation

Thomae Aquinatis, Santo. Opera Omnia: Summa Theologica, Summa Sacramentalis.

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