APA (7th ed.) Citation

Wiegratz, W., Gennet, R., & Mueller, M. (2003). Play piano today!: A complete guide to the basics. Hal Leonard Corp..

Chicago Style (17th ed.) Citation

Wiegratz, Warren, Robbie Gennet, and Michael Mueller. Play Piano Today!: A Complete Guide to the Basics. Milwaukee: Hal Leonard Corp., 2003.

MLA (8th ed.) Citation

Wiegratz, Warren, et al. Play Piano Today!: A Complete Guide to the Basics. Hal Leonard Corp., 2003.

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