Cita APA (7a ed.)

Estados Unidos. Rural Business-Cooperative Service & Frederick, D. A. (2002). Agricultural cooperatives in the 21st century. United States Rural Business-Cooperative Service.

Cita Chicago Style (17a ed.)

Estados Unidos. Rural Business-Cooperative Service y Donald A. Frederick. Agricultural Cooperatives in the 21st Century. Washington: United States Rural Business-Cooperative Service, 2002.

Cita MLA (9a ed.)

Estados Unidos. Rural Business-Cooperative Service y Donald A. Frederick. Agricultural Cooperatives in the 21st Century. United States Rural Business-Cooperative Service, 2002.