Happé, P. (1979). Four morality plays. Penguin Books.
Chicago Style (17th ed.) CitationHappé, Peter. Four Morality Plays. Harmondsworth: Penguin Books, 1979.
MLA (8th ed.) CitationHappé, Peter. Four Morality Plays. Penguin Books, 1979.
Warning: These citations may not always be 100% accurate.