APA (7th ed.) Citation

Christie, A. (1963). Afternoon at the seaside: A play in one act. S. French.

Chicago Style (17th ed.) Citation

Christie, Agatha. Afternoon at the Seaside: A Play in One Act. London ; New York: S. French, 1963.

MLA (9th ed.) Citation

Christie, Agatha. Afternoon at the Seaside: A Play in One Act. S. French, 1963.