APA (7th ed.) Citation

Williamson, C. (1963). Great catholics. Collier Books.

Chicago Style (17th ed.) Citation

Williamson, Claude. Great Catholics. New York: Collier Books, 1963.

MLA (9th ed.) Citation

Williamson, Claude. Great Catholics. Collier Books, 1963.

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