APA (7th ed.) Citation

Patterson G. Glenn. (2004). That Which Was. London, Penguin Books, 2004.

Chicago Style (17th ed.) Citation

Patterson G. Glenn. That Which Was. London, Penguin Books, 2004, 2004.

MLA (9th ed.) Citation

Patterson G. Glenn. That Which Was. London, Penguin Books, 2004, 2004.

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