Cita APA

Worth, W. H., Fagan, W. T., & King, E. M. 1. (1966). Before six: A report on the Alberta early childhood education study. Alberta: Alberta School Trustees Association.

Citación estilo Chicago

Worth, Walter H., William T. Fagan, y Ethel Marguerite 1927- King. Before Six: A Report On the Alberta Early Childhood Education Study. Alberta: Alberta School Trustees Association, 1966.

Cita MLA

Worth, Walter H., William T. Fagan, y Ethel Marguerite 1927- King. Before Six: A Report On the Alberta Early Childhood Education Study. Alberta: Alberta School Trustees Association, 1966.