Cite

View of Tunnel, Showing Self-Unloading Mechanism, Steamer J. Burton Ayers, Columbia Steamships (1190-232)

MLA

Plowden, David. View of Tunnel, Showing Self-Unloading Mechanism, Steamer J. Burton Ayers, Columbia Steamships (1190-232). 1990. https://collections.library.yale.edu/catalog/2041455.

APA, 6th edition

Plowden, D. (1990). View of Tunnel, Showing Self-Unloading Mechanism, Steamer J. Burton Ayers, Columbia Steamships (1190-232). https://collections.library.yale.edu/catalog/2041455.