APA (7th ed.) Citation

Verhelst, D., & Verbeke, G. (1976). Aquinas and problems of his time. University Press [etc.].

Chicago Style (17th ed.) Citation

Verhelst, Daniel, and Gerard Verbeke. Aquinas and Problems of His Time. Leuven [etc.]: University Press [etc.], 1976.

MLA (9th ed.) Citation

Verhelst, Daniel, and Gerard Verbeke. Aquinas and Problems of His Time. University Press [etc.], 1976.