APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (8. izdanje)

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