National Geographic Society (U.S.). Journeys of a lifetime: 500 of the world's greatest trips ; introduction by Keith Bellows.
Chicago Style (17th ed.) CitationNational Geographic Society (U.S.). Journeys of a Lifetime: 500 of the World's Greatest Trips ; Introduction by Keith Bellows.
MLA (9th ed.) CitationNational Geographic Society (U.S.). Journeys of a Lifetime: 500 of the World's Greatest Trips ; Introduction by Keith Bellows.
Warning: These citations may not always be 100% accurate.