APA (7th ed.) Citation

MacKinnon, L. (1938). Music by heart. Oxford University Press.

Chicago Style (17th ed.) Citation

MacKinnon, Lilias. Music by Heart. London: Oxford University Press, 1938.

MLA (9th ed.) Citation

MacKinnon, Lilias. Music by Heart. Oxford University Press, 1938.

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