APA (7th ed.) Citation

O'Brien, J. A. (1953). The American martyrs: The story of the eight Jesuit martyrs of North America. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

O'Brien, John A. The American Martyrs: The Story of the Eight Jesuit Martyrs of North America. New York: Appleton-Century-Crofts, 1953.

MLA (8th ed.) Citation

O'Brien, John A. The American Martyrs: The Story of the Eight Jesuit Martyrs of North America. Appleton-Century-Crofts, 1953.