APA (7th ed.) Citation

Roper, S. The language of music / by Stanely Roper and R. J. Wickham.

Chicago Style (17th ed.) Citation

Roper, Stanely. The Language of Music / by Stanely Roper and R. J. Wickham. London : Oxford University Press, [19--?].

MLA (8th ed.) Citation

Roper, Stanely. The Language of Music / by Stanely Roper and R. J. Wickham.