APA (7th ed.) Citation

Farrell, W. (1938). A companion to the Summa. Sheed & Ward.

Chicago Style (17th ed.) Citation

Farrell, Walter. A Companion to the Summa. New York: Sheed & Ward, 1938.

MLA (9th ed.) Citation

Farrell, Walter. A Companion to the Summa. Sheed & Ward, 1938.

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