Cita APA

Boyd, R. D., & Bluma, S. M. (1977). Portage parent program. Portage, Wisconsin,: Cooperative Education Service Agency 12.

Citación estilo Chicago

Boyd, Richard D., y Susan M. Bluma. Portage Parent Program. Portage, Wisconsin,: Cooperative Education Service Agency 12, 1977.

Cita MLA

Boyd, Richard D., y Susan M. Bluma. Portage Parent Program. Portage, Wisconsin,: Cooperative Education Service Agency 12, 1977.