APA (7th ed.) Citation

Edgar, D. (2013). If only / David Edgar. Nick Hern Books.

Chicago Style (17th ed.) Citation

Edgar, David. If only / David Edgar. London: Nick Hern Books, 2013.

MLA (9th ed.) Citation

Edgar, David. If only / David Edgar. Nick Hern Books, 2013.

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