APA (7th ed.) Citation

Lancaster, E. L., & Renfrow, K. D. (2004). Alfred's group piano for adults: An innovative method enhanced with audio and MIDI files for practice and performance (2nd ed.). Alfred Pub.

Chicago Style (17th ed.) Citation

Lancaster, E. L., and Kenon D. Renfrow. Alfred's Group Piano for Adults: An Innovative Method Enhanced with Audio and MIDI Files for Practice and Performance. 2nd ed. Van Nuys, Calif: Alfred Pub, 2004.

MLA (9th ed.) Citation

Lancaster, E. L., and Kenon D. Renfrow. Alfred's Group Piano for Adults: An Innovative Method Enhanced with Audio and MIDI Files for Practice and Performance. 2nd ed. Alfred Pub, 2004.