APA (7th ed.) Citation

Campbell, W. E. (1949). St. Thomas More's longest book. Burns & Oates.

Chicago Style (17th ed.) Citation

Campbell, W. E. St. Thomas More's Longest Book. London: Burns & Oates, 1949.

MLA (8th ed.) Citation

Campbell, W. E. St. Thomas More's Longest Book. Burns & Oates, 1949.