Parker, R. H. (1952). Library applications of punched cards: A description of mechanical systems. American Library Association.
Chicago Style (17th ed.) CitationParker, Ralph Halsted. Library Applications of Punched Cards: A Description of Mechanical Systems. Chicago: American Library Association, 1952.
MLA (9th ed.) CitationParker, Ralph Halsted. Library Applications of Punched Cards: A Description of Mechanical Systems. American Library Association, 1952.
Warning: These citations may not always be 100% accurate.