APA (7th ed.) Citation

Hopkins, A., & Marc. (1977). Downbeat music guide. Oxford University Press.

Chicago Style (17th ed.) Citation

Hopkins, Antony, and Marc. Downbeat Music Guide. London ; New York: Oxford University Press, 1977.

MLA (8th ed.) Citation

Hopkins, Antony, and Marc. Downbeat Music Guide. Oxford University Press, 1977.