APA (7th ed.) Citation

Richer, M. (2003). Music theory. Hodder Headline Ltd.

Chicago Style (17th ed.) Citation

Richer, Margaret. Music Theory. London: Hodder Headline Ltd, 2003.

MLA (9th ed.) Citation

Richer, Margaret. Music Theory. Hodder Headline Ltd, 2003.

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