Citazione APA

University of Hawaii (Honolulu). Agricultural Extension Service. (1939). Agricultural extension circular. The Service.

Stile di citazione Chicago

University of Hawaii (Honolulu). Agricultural Extension Service. Agricultural Extension Circular. [Honolulu]: The Service, 1939.

Citazione MLA

University of Hawaii (Honolulu). Agricultural Extension Service. Agricultural Extension Circular. The Service, 1939.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.