Cita APA (7a ed.)

Doll, J. (1968). Economics of agricultural productions etc. Irwin.

Cita Chicago Style (17a ed.)

Doll, John. Economics of Agricultural Productions Etc. Illinois: Irwin, 1968.

Cita MLA (9a ed.)

Doll, John. Economics of Agricultural Productions Etc. Irwin, 1968.