National Geographic Magazine & National Geographic Magazine. (1966). Vacationallands of the United States and Southern Canada. National Geographic Society.
Chicago Style (17th ed.) CitationNational Geographic Magazine and National Geographic Magazine. Vacationallands of the United States and Southern Canada. Washington: National Geographic Society, 1966.
MLA (9th ed.) CitationNational Geographic Magazine and National Geographic Magazine. Vacationallands of the United States and Southern Canada. National Geographic Society, 1966.