Watkins, T. (2004). Dark matter : a thinking fan's guide to Philip Pullman / Tony Watkins: A thinking fan's guide to Philip Pullman. Damaris.
Chicago Style (17th ed.) CitationWatkins, Tony. Dark Matter : A Thinking Fan's Guide to Philip Pullman / Tony Watkins: A Thinking Fan's Guide to Philip Pullman. Southhampton: Damaris, 2004.
MLA (9th ed.) CitationWatkins, Tony. Dark Matter : A Thinking Fan's Guide to Philip Pullman / Tony Watkins: A Thinking Fan's Guide to Philip Pullman. Damaris, 2004.
Warning: These citations may not always be 100% accurate.