Citazione Stile APA (7a Edizione)

Central Office of Information. (1977). Agriculture in Britain. s.n.

Citazione stile Chigago Style (17a edizione)

Central Office of Information. Agriculture in Britain. s.l: s.n, 1977.

Citatione MLA (9a ed.)

Central Office of Information. Agriculture in Britain. s.n, 1977.