APA引文

(1917). Circular. University of Arkansas College of Agriculture : Agricultural Experiment Station.

Chicago Style (17th ed.) Citation

Circular. Fayetteville, Arkansas: University of Arkansas College of Agriculture : Agricultural Experiment Station, 1917.

MLA引文

Circular. University of Arkansas College of Agriculture : Agricultural Experiment Station, 1917.

警告：这些引文格式不一定是100％准确.