The Arctic region showing explorations towards the North Pole / prepared by Gilbert H. Grosvenor, Director and Editor of the National Geographic Society.
MLA
Grosvenor, Gilbert Hovey, 1875-1966. The Arctic region showing explorations towards the North Pole / prepared by Gilbert H. Grosvenor, Director and Editor of the National Geographic Society.. BRBL_00013. c1910. https://collections.library.yale.edu/catalog/15824488.
APA, 6th edition
Grosvenor, Gilbert Hovey, 1875-1966. (["BRBL_00013"])(c1910)[The Arctic region showing explorations towards the North Pole / prepared by Gilbert H. Grosvenor, Director and Editor of the National Geographic Society.]. https://collections.library.yale.edu/catalog/15824488.