MLA

of State. Interim Research, United States. Department, et al. Japan, Yamaguchi-Ken. Reproduction Branch, SSU, 0AD. https://collections.library.yale.edu/catalog/15511638.

APA, 6th edition

of State. Interim Research, U. S. D., Research, I. S., & Branch, A. (0 C.E.). Japan, Yamaguchi-ken. [Maps]. Reproduction Branch, SSU, https://collections.library.yale.edu/catalog/15511638.