APA (7th ed.) Citation

Crisp, C., & Thorpe, E. (1978). The colourful world of ballet. Octopus Book.

Chicago Style (17th ed.) Citation

Crisp, Clement, and Edward Thorpe. The Colourful World of Ballet. London: Octopus Book, 1978.

MLA (9th ed.) Citation

Crisp, Clement, and Edward Thorpe. The Colourful World of Ballet. Octopus Book, 1978.