APA (7th ed.) Citation

Parker, E. (1973). Libraries and information utilities [soundrecording]: What's the utility of an information utilityn. CREDR Corp.

Chicago Style (17th ed.) Citation

Parker, Edmond. Libraries and Information Utilities [soundrecording]: What's the Utility of an Information Utilityn. Los Angeles, Calif: CREDR Corp, 1973.

MLA (9th ed.) Citation

Parker, Edmond. Libraries and Information Utilities [soundrecording]: What's the Utility of an Information Utilityn. CREDR Corp, 1973.