APA (7th ed.) Citation
Robertson, A., & Stevens, D. (1960). The Pelican history of music. Penguin Books.
Chicago Style (17th ed.) Citation
Robertson, Alec, and Denis Stevens. The Pelican History of Music. Baltimore: Penguin Books, 1960.
MLA (9th ed.) Citation
Robertson, Alec, and Denis Stevens. The Pelican History of Music. Penguin Books, 1960.
Warning: These citations may not always be 100% accurate.