APA (7th ed.) Citation

Killgallon, J. J. (1964). What is a practical Catholic? Ave Maria Press.

Chicago Style (17th ed.) Citation

Killgallon, James J. What Is a Practical Catholic? Notre Dame, Ind.: Ave Maria Press, 1964.

MLA (8th ed.) Citation

Killgallon, James J. What Is a Practical Catholic? Ave Maria Press, 1964.