MLA

James, Gordon, and photographer. Otavi Mining Expedition, German South West Africa; Inscribed by Christopher James to Gordon James. 1900. https://collections.library.yale.edu/catalog/10678879.

APA, 6th edition

James, G., & photographer. (1900). Otavi Mining Expedition, German South West Africa; inscribed by Christopher James to Gordon James. https://collections.library.yale.edu/catalog/10678879.