APA (7th ed.) Citation

Osborne, C., & Christie, A. (2002). Black coffee (Agatha Christie signature ed.). HarperCollins.

Chicago Style (17th ed.) Citation

Osborne, Charles, and Agatha Christie. Black Coffee. Agatha Christie signature ed. London: HarperCollins, 2002.

MLA (9th ed.) Citation

Osborne, Charles, and Agatha Christie. Black Coffee. Agatha Christie signature ed. HarperCollins, 2002.

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