Dwight D. Eisenhower Delivers the Commencement Address at Pennsylvania State University in University Park, Pennsylvania

Chicago citation style
Department of the Interior. National Park Service. National Capital Parks. Office of Public Information. -1/1962. Dwight D. Eisenhower Delivers the Commencement Address at Pennsylvania State University in University Park, Pennsylvania. 1955-06-11. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6337973. (Accessed November 21, 2018.)
APA citation style
Department of the Interior. National Park Service. National Capital Parks. Office of Public Information. -1/1962, (1955-06-11) Dwight D. Eisenhower Delivers the Commencement Address at Pennsylvania State University in University Park, Pennsylvania. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6337973
MLA citation style
Department of the Interior. National Park Service. National Capital Parks. Office of Public Information. -1/1962. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6337973>.
Note: These citations are programmatically generated and may be incomplete.