Iowa State Vegetable Growers' Association, Iowa Potato and Truck Growers' Association, & Iowa State Horticultural Society. Annual report of the Iowa State Vegetable Growers' Association. Iowa State Horticultural Society [etc.].
Citação do estilo Chicago (17ª ed.)Iowa State Vegetable Growers' Association, Iowa Potato and Truck Growers' Association, e Iowa State Horticultural Society. Annual Report of the Iowa State Vegetable Growers' Association. [Iowa]: Iowa State Horticultural Society [etc.].
Citação MLA (8ª ed.)Iowa State Vegetable Growers' Association, et al. Annual Report of the Iowa State Vegetable Growers' Association. Iowa State Horticultural Society [etc.].
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.