APA (7th ed.) Citation

Gammond, P., & Clayton, P. A. (1960). A guide to popular music. Phoenix House.

Chicago Style (17th ed.) Citation

Gammond, Peter, and Peter A. Clayton. A Guide to Popular Music. London: Phoenix House, 1960.

MLA (8th ed.) Citation

Gammond, Peter, and Peter A. Clayton. A Guide to Popular Music. Phoenix House, 1960.

Warning: These citations may not always be 100% accurate.