APA (7th ed.) Citation

Wentworth, P. (1953). The key. Hodder & Stoughton.

Chicago Style (17th ed.) Citation

Wentworth, Patricia. The Key. London: Hodder & Stoughton, 1953.

MLA (8th ed.) Citation

Wentworth, Patricia. The Key. Hodder & Stoughton, 1953.

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