MLA

Company, Panama-Pacific International Exposition. Night Illumination--Panama-Pacific International Exposition--San Francisco, California--1915. Pacific Novelty Co., 0AD. https://collections.library.yale.edu/catalog/2020746.

APA, 6th edition

Company, P.-P. I. E. (0 C.E.). Night illumination--Panama-Pacific International Exposition--San Francisco, California--1915 [Illustrations, Posters]. Pacific Novelty Co. https://collections.library.yale.edu/catalog/2020746.