APA引文

Thompson, M., & Freeman, O. W. (1950). The conservation of Northwest resources. Northwest Conservation League.

Chicago Style (17th ed.) Citation

Thompson, Margaret, and Otis W. Freeman. The Conservation of Northwest Resources. Seattle: Northwest Conservation League, 1950.

MLA引文

Thompson, Margaret, and Otis W. Freeman. The Conservation of Northwest Resources. Northwest Conservation League, 1950.

警告：這些引文格式不一定是100％准確.