PARRAGON BOOKS. (2019). ULTIMATE VISUAL ENCYCLOPEDIA ANIMAL KINGDOM (2017 Ed.). PARRAGON BOOK PUBLISHERS.
芝加哥风格引文PARRAGON BOOKS. ULTIMATE VISUAL ENCYCLOPEDIA ANIMAL KINGDOM. 2017 Ed. LONDON: PARRAGON BOOK PUBLISHERS, 2019.
MLA引文PARRAGON BOOKS. ULTIMATE VISUAL ENCYCLOPEDIA ANIMAL KINGDOM. 2017 Ed. PARRAGON BOOK PUBLISHERS, 2019.
警告：这些引文格式不一定是100％准确.