APA (7th ed.) Citation

University of Arizona. Cooperative Extension Service & University of Arizona. Agricultural Experiment Station. (1915). Circular. The Service.

Chicago Style (17th ed.) Citation

University of Arizona. Cooperative Extension Service and University of Arizona. Agricultural Experiment Station. Circular. Tucson, Ariz.: The Service, 1915.

MLA (9th ed.) Citation

University of Arizona. Cooperative Extension Service and University of Arizona. Agricultural Experiment Station. Circular. The Service, 1915.