APA (7th ed.) Citation

Shahan, T. J. Pius the eleventh. [publisher not identified].

Chicago Style (17th ed.) Citation

Shahan, Thomas J. Pius the Eleventh. [Place of publication not identified]: [publisher not identified].

MLA (8th ed.) Citation

Shahan, Thomas J. Pius the Eleventh. [publisher not identified].

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