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