Cita APA (7a ed.)

Petit, M. J., & Viallon, J. French grain and livestock production projections to 1970 and 1975. Michigan State University.

Cita Chicago Style (17a ed.)

Petit, Michel J., y Jean-Baptiste Viallon. French Grain and Livestock Production Projections to 1970 and 1975. Michigan: Michigan State University.

Cita MLA (8a ed.)

Petit, Michel J., y Jean-Baptiste Viallon. French Grain and Livestock Production Projections to 1970 and 1975. Michigan State University.