Cita APA (7a ed.)

Papi, U., & Nunn, C. (1969). Economic problems of agriculture in industrial societies. Macmillan ; St. Martin`s Press.

Cita Chicago Style (17a ed.)

Papi, Ugo, y Charles Nunn. Economic Problems of Agriculture in Industrial Societies. London: Macmillan ; St. Martin`s Press, 1969.

Cita MLA (8a ed.)

Papi, Ugo, y Charles Nunn. Economic Problems of Agriculture in Industrial Societies. Macmillan ; St. Martin`s Press, 1969.