Cita APA (7a ed.)

Doll, J. P. (1968). Economics of agricultural production, markets, and policy ([1st printing].). Irwin.

Cita Chicago Style (17a ed.)

Doll, John P. Economics of Agricultural Production, Markets, and Policy. [1st printing]. Homewood: Irwin, 1968.

Cita MLA (9a ed.)

Doll, John P. Economics of Agricultural Production, Markets, and Policy. [1st printing]. Irwin, 1968.