APA način citiranja (7. izdanje)

(1909). Extension circular. University of Arkansas, College of Agriculture and Experiment Station.

Čikaški stil citiranja (17. izdanje)

Extension Circular. Fayetteville, Arkansas: University of Arkansas, College of Agriculture and Experiment Station, 1909.

MLA način citiranja (8. izdanje)

Extension Circular. University of Arkansas, College of Agriculture and Experiment Station, 1909.