APA (7th ed.) Citation

Henri, A., McGough, R., & Patten, B. (1967). The mersey sound. Penguin Books.

Chicago Style (17th ed.) Citation

Henri, Adrian, Roger McGough, and Brian Patten. The Mersey Sound. Baltimore: Penguin Books, 1967.

MLA (9th ed.) Citation

Henri, Adrian, et al. The Mersey Sound. Penguin Books, 1967.