APA (7th ed.) Citation

Leavitt, W. (1999). A modern method for guitar: Volumes 1, 2, 3 complete (1a. ed.). Berklee Press.

Chicago Style (17th ed.) Citation

Leavitt, William. A Modern Method for Guitar: Volumes 1, 2, 3 Complete. 1a. ed. Boston: Berklee Press, 1999.

MLA (9th ed.) Citation

Leavitt, William. A Modern Method for Guitar: Volumes 1, 2, 3 Complete. 1a. ed. Berklee Press, 1999.