Cita APA (7th ed.)

Bradfield, D. J. (1966). Guide to extension training. Food and Agriculture Organization of the United Nations.

Cita Chicago (17th ed.)

Bradfield, D. J. Guide to Extension Training. Rome: Food and Agriculture Organization of the United Nations, 1966.

Cita MLA (8th ed.)

Bradfield, D. J. Guide to Extension Training. Food and Agriculture Organization of the United Nations, 1966.