MLA

Planting Trees for Fukien Christian University Rural Extension Program, Fuzhou, Fujian, China, Ca. 1948. 1940. https://collections.library.yale.edu/catalog/11425173.

APA, 6th edition

Planting trees for Fukien Christian University rural extension program, Fuzhou, Fujian, China, ca. 1948. (1940). [Group portraits (AAT), photographs (AAT)]. https://collections.library.yale.edu/catalog/11425173.