Guilday, P. (1926). Quadraginta annis, 1884-1924: Presidential address, December 16, 1925. American Catholic Historical Society.
Chicago-viite (17. p.)Guilday, Peter. Quadraginta Annis, 1884-1924: Presidential Address, December 16, 1925. Philadelphia: American Catholic Historical Society, 1926.
MLA-viite (8. p.)Guilday, Peter. Quadraginta Annis, 1884-1924: Presidential Address, December 16, 1925. American Catholic Historical Society, 1926.
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