APA (7th ed.) Citation

Crampton, P., Horger, M., & Spirin, G. (1992). The princess who could not laugh. Hampshire.

Chicago Style (17th ed.) Citation

Crampton, Patricia, Marlies Horger, and Gennadij Spirin. The Princess Who Could Not Laugh. Ragged Bears Limited: Hampshire, 1992.

MLA (9th ed.) Citation

Crampton, Patricia, et al. The Princess Who Could Not Laugh. Hampshire, 1992.