APA (7th ed.) Citation

Christie, A. (1979). N or M? Fontana/Collins.

Chicago Style (17th ed.) Citation

Christie, Agatha. N or M? Glasgow: Fontana/Collins, 1979.

MLA (8th ed.) Citation

Christie, Agatha. N or M? Fontana/Collins, 1979.

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