Cite

Fernbridge, Calif.. Copter In Action

MLA

Palmquist, Peter E. Fernbridge, Calif.. Copter In Action. 23736. https://collections.library.yale.edu/catalog/12246809.

APA, 6th edition

Palmquist, P. E. (23736). Fernbridge, Calif.. Copter In Action [Photographs]. https://collections.library.yale.edu/catalog/12246809.