APA (7th ed.) Citation

CHRISTIE, A. (1957). Poirot investigates (3 printing.). Pan Books.

Chicago Style (17th ed.) Citation

CHRISTIE, Agatha. Poirot Investigates. 3 printing. London: Pan Books, 1957.

MLA (9th ed.) Citation

CHRISTIE, Agatha. Poirot Investigates. 3 printing. Pan Books, 1957.

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