APA (7th ed.) Citation

Ayckbourn, A. (1977). The Norman conquests: A trilogy of plays. Penguin Books.

Chicago Style (17th ed.) Citation

Ayckbourn, Alan. The Norman Conquests: A Trilogy of Plays. Harmondsworth, Middlesex: Penguin Books, 1977.

MLA (9th ed.) Citation

Ayckbourn, Alan. The Norman Conquests: A Trilogy of Plays. Penguin Books, 1977.

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