Cook, J. L. (1980). The Mysterious Undersea World. National Geographic Society.
Chicago Style (17th ed.) CitationCook, Jan Leslie. The Mysterious Undersea World. [Estados Unidos]: National Geographic Society, 1980.
MLA (9th ed.) CitationCook, Jan Leslie. The Mysterious Undersea World. National Geographic Society, 1980.
Warning: These citations may not always be 100% accurate.