APA (7th ed.) Citation

Haskell, A. L. (1938). Ballet: A complete guide to appreciation, history, aesthetics, ballets, dancers. Penguin books.

Chicago Style (17th ed.) Citation

Haskell, Arnold L. Ballet: A Complete Guide to Appreciation, History, Aesthetics, Ballets, Dancers. Harmondsworth Middlesex: Penguin books, 1938.

MLA (8th ed.) Citation

Haskell, Arnold L. Ballet: A Complete Guide to Appreciation, History, Aesthetics, Ballets, Dancers. Penguin books, 1938.