APA (7th ed.) Citation

Marshall, R., & Marshall, M. B. (1955). Your tape recorder. Greenberg.

Chicago Style (17th ed.) Citation

Marshall, Robert, and Mary Blair Marshall. Your Tape Recorder. New York: Greenberg, 1955.

MLA (9th ed.) Citation

Marshall, Robert, and Mary Blair Marshall. Your Tape Recorder. Greenberg, 1955.