APA (7th ed.) Citation

MacDonald, S., Grover, S., & Grover, K. (1974). Close out all sound. Grace Hoper Press.

Chicago Style (17th ed.) Citation

MacDonald, Susan, Sherwood Grover, and Katharine Grover. Close Out All Sound. [San Francisco]: Grace Hoper Press, 1974.

MLA (9th ed.) Citation

MacDonald, Susan, et al. Close Out All Sound. Grace Hoper Press, 1974.