APA (7th ed.) Citation

Camp, O. A., & McGrew, P. C. (1969). History of Washington's soil and water conservation districts.

Chicago Style (17th ed.) Citation

Camp, Oscar A., and Paul Cornelius McGrew. History of Washington's Soil and Water Conservation Districts. [Everson? Wash.], 1969.

MLA (8th ed.) Citation

Camp, Oscar A., and Paul Cornelius McGrew. History of Washington's Soil and Water Conservation Districts. 1969.

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