APA (7th ed.) Citation

Washington State Historical Society & University of Washington. Pacific Northwest quarterly. University of Washington in cooperation with Washington State Historical Society [etc.].

Chicago Style (17th ed.) Citation

Washington State Historical Society and University of Washington. Pacific Northwest Quarterly. Seattle: University of Washington in cooperation with Washington State Historical Society [etc.].

MLA (8th ed.) Citation

Washington State Historical Society and University of Washington. Pacific Northwest Quarterly. University of Washington in cooperation with Washington State Historical Society [etc.].

Warning: These citations may not always be 100% accurate.