APA (7th ed.) Citation

Delaney, J. J. (1961). Dictionary of Catholic biography. Doubleday.

Chicago Style (17th ed.) Citation

Delaney, John J. Dictionary of Catholic Biography. Garden City, N.Y.: Doubleday, 1961.

MLA (9th ed.) Citation

Delaney, John J. Dictionary of Catholic Biography. Doubleday, 1961.