MLA

Swanlund, David Harper. Eureka and Waterfront Aerial. 0AD. https://collections.library.yale.edu/catalog/12246658.

APA, 6th edition

Swanlund, D. H. (0 C.E.). Eureka and waterfront aerial [Bird's-eye views, Photographs]. https://collections.library.yale.edu/catalog/12246658.