APA (7th ed.) Citation

Aradi, Z., Tucek, J. I., & O'Neill, J. C. (1961). Pope John XXIII. Dell Publishing Co.

Chicago Style (17th ed.) Citation

Aradi, Zsolt, James I. Tucek, and James C. O'Neill. Pope John XXIII. New York: Dell Publishing Co, 1961.

MLA (9th ed.) Citation

Aradi, Zsolt, et al. Pope John XXIII. Dell Publishing Co, 1961.