APA (7th ed.) Citation

Christie, A. (1991). Problem at pollensa bay. HarperCollins publishers.

Chicago Style (17th ed.) Citation

Christie, Agatha. Problem at Pollensa Bay. London: HarperCollins publishers, 1991.

MLA (9th ed.) Citation

Christie, Agatha. Problem at Pollensa Bay. HarperCollins publishers, 1991.

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