(U.S.), C. Y. M. N. U. (1917). Catholic Historical Book of Philadelphia, 1917: Official souvenir, forty-third annual convention, the Catholic Young Men's National Union of America : Philadelphia, August 17th, 18th, 19th, 20th, 21st and 22nd, 1917. Philadelphia.
Chicago Style (17th ed.) Citation(U.S.), Catholic Young Men's National Union. Catholic Historical Book of Philadelphia, 1917: Official Souvenir, Forty-third Annual Convention, the Catholic Young Men's National Union of America : Philadelphia, August 17th, 18th, 19th, 20th, 21st and 22nd, 1917. Philadelphia, 1917.
MLA (8th ed.) Citation(U.S.), Catholic Young Men's National Union. Catholic Historical Book of Philadelphia, 1917: Official Souvenir, Forty-third Annual Convention, the Catholic Young Men's National Union of America : Philadelphia, August 17th, 18th, 19th, 20th, 21st and 22nd, 1917. Philadelphia, 1917.