APA (7th ed.) Citation

Haskell, A. L., & Sitwell, S. (1950). Barron at the ballet. Collins.

Chicago Style (17th ed.) Citation

Haskell, Arnold L., and Sacheverell Sitwell. Barron at the Ballet. London: Collins, 1950.

MLA (8th ed.) Citation

Haskell, Arnold L., and Sacheverell Sitwell. Barron at the Ballet. Collins, 1950.

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