APA (7th ed.) Citation

Adams, D. (2014). Dirk Gently's Holistic Detective Agency (First Gallery books trade paperback edition.). Gallery Books.

Chicago Style (17th ed.) Citation

Adams, Douglas. Dirk Gently's Holistic Detective Agency. First Gallery books trade paperback edition. New York: Gallery Books, 2014.

MLA (8th ed.) Citation

Adams, Douglas. Dirk Gently's Holistic Detective Agency. First Gallery books trade paperback edition. Gallery Books, 2014.

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