Hull, R. R. (1926). The Syllabus of Errors of Pope Pius IX: The scourge of liberalism. Huntington, Ind..
Čikaški stil citiranja (17. izdanje)Hull, Robert Reuel. The Syllabus of Errors of Pope Pius IX: The Scourge of Liberalism. Huntington, Ind., 1926.
MLA način citiranja (8. izdanje)Hull, Robert Reuel. The Syllabus of Errors of Pope Pius IX: The Scourge of Liberalism. Huntington, Ind., 1926.
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