APA (7th ed.) Citation

Blyton, E., & Wynne, D. (1992). The secret of moon castle. Award Publications.

Chicago Style (17th ed.) Citation

Blyton, Enid, and Dudley Wynne. The Secret of Moon Castle. London: Award Publications, 1992.

MLA (9th ed.) Citation

Blyton, Enid, and Dudley Wynne. The Secret of Moon Castle. Award Publications, 1992.

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