APA (7th ed.) Citation

Christie, A. (1968). The Labours of Hercules. Dell Publishing Co.

Chicago Style (17th ed.) Citation

Christie, Agatha. The Labours of Hercules. New York: Dell Publishing Co, 1968.

MLA (9th ed.) Citation

Christie, Agatha. The Labours of Hercules. Dell Publishing Co, 1968.

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