APA引文

Pacific Northwest Farm Trio. (1927). Agricultural charts: Washington, Idaho, Oregon. Pacific Northwest Farm Trio.

Chicago Style (17th ed.) Citation

Pacific Northwest Farm Trio. Agricultural Charts: Washington, Idaho, Oregon. Spokane, Wash.: Pacific Northwest Farm Trio, 1927.

MLA引文

Pacific Northwest Farm Trio. Agricultural Charts: Washington, Idaho, Oregon. Pacific Northwest Farm Trio, 1927.

警告：這些引文格式不一定是100％准確.