Program, Fifty-seventh Annual Commencement of the Roman Catholic High School, June 2, 1950.

Chicago citation style
Roman Catholic High School (Philadelphia, Pa.). Program, Fifty-seventh Annual Commencement of the Roman Catholic High School, June 2, 1950.. 1950. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:207089. (Accessed December 13, 2018.)
APA citation style
Roman Catholic High School (Philadelphia, Pa.), (1950) Program, Fifty-seventh Annual Commencement of the Roman Catholic High School, June 2, 1950.. Retrieved from the Digital Public Library of America, https://digital.library.villanova.edu/Record/vudl:207089
MLA citation style
Roman Catholic High School (Philadelphia, Pa.). Retrieved from the Digital Public Library of America <https://digital.library.villanova.edu/Record/vudl:207089>.
Note: These citations are programmatically generated and may be incomplete.