APA (7th ed.) Citation

Hallett, P. H. (1955). What is a catholic? The Macmillan.

Chicago Style (17th ed.) Citation

Hallett, Paul H. What Is a Catholic? The Macmillan, 1955.

MLA (9th ed.) Citation

Hallett, Paul H. What Is a Catholic? The Macmillan, 1955.

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