Cite

Landscape at an altitude of 4,000 meters, Papua New Guinea, ca. 1900-1930

MLA

Landscape at an Altitude of 4,000 Meters, Papua New Guinea, Ca. 1900-1930. 1900. https://collections.library.yale.edu/catalog/11444260.

APA, 6th edition

Landscape at an altitude of 4,000 meters, Papua New Guinea, ca. 1900-1930. (1900). [General views (AAT), photographic postcards (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11444260.