Tour of the world A trip around the world through the telebinocular
MLA
Keystone View Company, Underwood, and Underwood. Tour of the World A Trip around the World through the Telebinocular. Keystone View Company; 0AD. https://collections.library.yale.edu/catalog/11007960.
APA, 6th edition
Keystone View Company, U., & U. (0 C.E.). Tour of the world A trip around the world through the telebinocular [Photographic prints, Photographs, Stereographs]. Keystone View Company; https://collections.library.yale.edu/catalog/11007960.