APA (7th ed.) Citation

Taylor, E. (1989). The AB guide to music theory. Part 1. The Associated Board of Royal Schools of Music.

Chicago Style (17th ed.) Citation

Taylor, Eric. The AB Guide to Music Theory. Part 1. London: The Associated Board of Royal Schools of Music, 1989.

MLA (9th ed.) Citation

Taylor, Eric. The AB Guide to Music Theory. Part 1. The Associated Board of Royal Schools of Music, 1989.