Cita APA (7a ed.)

Olmsted, P. P., & Weikart, D. P. (1989). How nations serve young children: Profiles of child care and education in 14 countries. High/Scope Press.

Cita Chicago Style (17a ed.)

Olmsted, Patricia P., y David P. Weikart. How Nations Serve Young Children: Profiles of Child Care and Education in 14 Countries. Ypsilanti, Mich: High/Scope Press, 1989.

Cita MLA (8a ed.)

Olmsted, Patricia P., y David P. Weikart. How Nations Serve Young Children: Profiles of Child Care and Education in 14 Countries. High/Scope Press, 1989.