Butler, G. (2014). How to train your Dragon 2: The art of dreamworks. Titan Books.
Chicago Style (17th ed.) CitationButler, Gerard. How to Train Your Dragon 2: The Art of Dreamworks. Italia: Titan Books, 2014.
MLA (9th ed.) CitationButler, Gerard. How to Train Your Dragon 2: The Art of Dreamworks. Titan Books, 2014.
Warning: These citations may not always be 100% accurate.