APA (7th ed.) Citation

Walsh, J. (1959). This is Catholicism. Image Books.

Chicago Style (17th ed.) Citation

Walsh, John. This Is Catholicism. Garden City, N.Y.: Image Books, 1959.

MLA (8th ed.) Citation

Walsh, John. This Is Catholicism. Image Books, 1959.

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