Close-up: Canada, British Columbia, Alberta, and the Yukon Territory / produced by the Cartographic Division, National Geographic Society ; William T. Peele, chief cartographer ; Richard K. Rogers, assistant chief cartographer.
MLA
National Geographic Society (U.S.). Cartographic Division. Close-up: Canada, British Columbia, Alberta, and the Yukon Territory / produced by the Cartographic Division, National Geographic Society ; William T. Peele, chief cartographer ; Richard K. Rogers, assistant chief cartographer.. BRBL_00389. 1978. https://collections.library.yale.edu/catalog/15536300.
APA, 6th edition
National Geographic Society (U.S.). Cartographic Division. (["BRBL_00389"])(1978)[Close-up: Canada, British Columbia, Alberta, and the Yukon Territory / produced by the Cartographic Division, National Geographic Society ; William T. Peele, chief cartographer ; Richard K. Rogers, assistant chief cartographer.]. https://collections.library.yale.edu/catalog/15536300.
