Cite

New Guinea, central Papua, route and explorations of the expedition of D. Mackay and W.S. Little, 1908-9.

MLA

Royal Geographical Society (Great Britain). New Guinea, central Papua, route and explorations of the expedition of D. Mackay and W.S. Little, 1908-9.. BRBL_00023A. 1911. https://collections.library.yale.edu/catalog/15824531.

APA, 6th edition

Royal Geographical Society (Great Britain). (["BRBL_00023A"])(1911)[New Guinea, central Papua, route and explorations of the expedition of D. Mackay and W.S. Little, 1908-9.]. https://collections.library.yale.edu/catalog/15824531.