APA (7e ed.) Bronvermelding

(1978). Union guide to photograph collections of the Pacific Northwest. Oregon Historical Society.

Chicago (17e ed.) Bronvermelding

Union Guide to Photograph Collections of the Pacific Northwest. Oregon Historical Society, 1978.

MLA (8e ed.) Bronvermelding

Union Guide to Photograph Collections of the Pacific Northwest. Oregon Historical Society, 1978.

Let op: Deze citaties zijn niet altijd 100% accuraat.