APA (7th ed.) Citation

Morgan, D., Penny, N., & Miller, M. (1984). You can play the guitar. Severn House.

Chicago Style (17th ed.) Citation

Morgan, Dan, Nick Penny, and Mike Miller. You Can Play the Guitar. London: Severn House, 1984.

MLA (9th ed.) Citation

Morgan, Dan, et al. You Can Play the Guitar. Severn House, 1984.

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