APA (7th ed.) Citation

Leysen, A. (2012). The princess who could not sleep. Clavis Publishing.

Chicago Style (17th ed.) Citation

Leysen, An. The Princess Who Could Not Sleep. New York: Clavis Publishing, 2012.

MLA (8th ed.) Citation

Leysen, An. The Princess Who Could Not Sleep. Clavis Publishing, 2012.

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