APA (7th ed.) Citation

Christie, A. (1947). The labours of Hercules. Crime Club.

Chicago Style (17th ed.) Citation

Christie, Agatha. The Labours of Hercules. London: Crime Club, 1947.

MLA (8th ed.) Citation

Christie, Agatha. The Labours of Hercules. Crime Club, 1947.

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