APA (7th ed.) Citation

Boase, T. S. R. (1933). Boniface VIII. Constable.

Chicago Style (17th ed.) Citation

Boase, T. S. R. Boniface VIII. London: Constable, 1933.

MLA (8th ed.) Citation

Boase, T. S. R. Boniface VIII. Constable, 1933.

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