(1972). La geographie à travers un siècle de congrès internationaux: = Geography through a century of international congresses. Union Géographique Internationale.
Chicago Style (17th ed.) CitationLa Geographie à Travers Un Siècle De Congrès Internationaux: = Geography Through a Century of International Congresses. Caen: Union Géographique Internationale, 1972.
MLA (9th ed.) CitationLa Geographie à Travers Un Siècle De Congrès Internationaux: = Geography Through a Century of International Congresses. Union Géographique Internationale, 1972.
Warning: These citations may not always be 100% accurate.