APA (7th ed.) Citation

Palmer, Lethco, & Manus. Basix electronic keyboard method. Alfred Pub.

Chicago Style (17th ed.) Citation

Palmer, Lethco, and Manus. Basix Electronic Keyboard Method. California: Alfred Pub.

MLA (8th ed.) Citation

Palmer, et al. Basix Electronic Keyboard Method. Alfred Pub.

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