APA引文

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引文

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

警告：這些引文格式不一定是100％准確.