Citação norma APA

North Dakota Agricultural College. Agricultural Extension Service. (1935). Circular. Agricultural Extension Service, North Dakota Agricultural College.

Citação norma Chicago

North Dakota Agricultural College. Agricultural Extension Service. Circular. Fargo, N.D.: Agricultural Extension Service, North Dakota Agricultural College, 1935.

Citação norma MLA

North Dakota Agricultural College. Agricultural Extension Service. Circular. Agricultural Extension Service, North Dakota Agricultural College, 1935.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.