APA (7th ed.) Citation

Widmer, E. L. (1970). The critical years: Early childhood education at the crossroads. Internat. Textbook Co.

Chicago Style (17th ed.) Citation

Widmer, Emmy L. The Critical Years: Early Childhood Education at the Crossroads. Scranton, Penn: Internat. Textbook Co, 1970.

MLA (9th ed.) Citation

Widmer, Emmy L. The Critical Years: Early Childhood Education at the Crossroads. Internat. Textbook Co, 1970.