MLA

McNally, Rand, and Company. Map of Coronado Beach, San Diego, California / Rand McNally & Co., Engravers, Chicago. Coronado Beach Co., 0AD. https://collections.library.yale.edu/catalog/15818679.

APA, 6th edition

McNally, R., & C. (0 C.E.). Map of Coronado Beach, San Diego, California / Rand McNally & Co., engravers, Chicago. [Cadastral maps]. Coronado Beach Co., https://collections.library.yale.edu/catalog/15818679.