APA (7th ed.) Citation

Westrup, J. A., & Harrison, F. L. (1959). Collins music encyclopedia. Collins.

Chicago Style (17th ed.) Citation

Westrup, J. A., and Frank Ll Harrison. Collins Music Encyclopedia. London: Collins, 1959.

MLA (9th ed.) Citation

Westrup, J. A., and Frank Ll Harrison. Collins Music Encyclopedia. Collins, 1959.

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