MLA

National Geographic Society (U.S.). Cartographic Division. The heart of the Grand Canyon, Grand Canyon National Park, Arizona / produced by the Cartographic Division, National Geographic Society, in collaboration with the Museum of Science, Boston, Mass. ; William T. Peele, chief cartographer, Richard K. Rogers,. BRBL_00600. 1978. https://collections.library.yale.edu/catalog/15827822.

APA, 6th edition

National Geographic Society (U.S.). Cartographic Division. (["BRBL_00600"])(1978)[The heart of the Grand Canyon, Grand Canyon National Park, Arizona / produced by the Cartographic Division, National Geographic Society, in collaboration with the Museum of Science, Boston, Mass. ; William T. Peele, chief cartographer, Richard K. Rogers,]. https://collections.library.yale.edu/catalog/15827822.