APA (7th ed.) Citation

Hay, I. (1923). The lucky number. Hodder and Stoughton.

Chicago Style (17th ed.) Citation

Hay, Ian. The Lucky Number. London: Hodder and Stoughton, 1923.

MLA (9th ed.) Citation

Hay, Ian. The Lucky Number. Hodder and Stoughton, 1923.

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