APA (7th ed.) Citation

(1986). The Royal Ballet: A picture history (2. ed., (rev.).). Threshold Books.

Chicago Style (17th ed.) Citation

The Royal Ballet: A Picture History. 2. ed., (rev.). London: Threshold Books, 1986.

MLA (9th ed.) Citation

The Royal Ballet: A Picture History. 2. ed., (rev.). Threshold Books, 1986.