Cita APA (7th ed.)

Weikart, D. P. (1978). The Ypsilanti preschool curriculum demonstration project: Preschool years and longitudinal results. High/Scope Educational Research Foundation.

Cita Chicago (17th ed.)

Weikart, David P. The Ypsilanti Preschool Curriculum Demonstration Project: Preschool Years and Longitudinal Results. Ypsilanti, Mich: High/Scope Educational Research Foundation, 1978.

Cita MLA (8th ed.)

Weikart, David P. The Ypsilanti Preschool Curriculum Demonstration Project: Preschool Years and Longitudinal Results. High/Scope Educational Research Foundation, 1978.