Cita APA (7a ed.)

Coop America. (1992). Coop America's national green pages. Co-op America Foundation.

Cita Chicago Style (17a ed.)

Coop America. Coop America's National Green Pages. Washington, DC: Co-op America Foundation, 1992.

Cita MLA (9a ed.)

Coop America. Coop America's National Green Pages. Co-op America Foundation, 1992.