National Geographic Society (U.S.). (2015). An uncommon history of common things, Volume 2. National Geographic.
Chicago Style (17th ed.) CitationNational Geographic Society (U.S.). An Uncommon History of Common Things, Volume 2. Washington, District of Columbia: National Geographic, 2015.
MLA引文National Geographic Society (U.S.). An Uncommon History of Common Things, Volume 2. National Geographic, 2015.
警告:這些引文格式不一定是100%准確.