APA (7th ed.) Citation

Caldecott, M. (1985). The tower and the emerald. Arrow Books.

Chicago Style (17th ed.) Citation

Caldecott, Moyra. The Tower and the Emerald. London: Arrow Books, 1985.

MLA (9th ed.) Citation

Caldecott, Moyra. The Tower and the Emerald. Arrow Books, 1985.

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