Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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