Cite

[Logger standing by a Caterpiller tractor at a logging site]

MLA

Swanlund, David Harper. [Logger Standing by a Caterpiller Tractor at a Logging Site]. 0AD. https://collections.library.yale.edu/catalog/12246675.

APA, 6th edition

Swanlund, D. H. (0 C.E.). [Logger standing by a Caterpiller tractor at a logging site] [Photographs]. https://collections.library.yale.edu/catalog/12246675.