Cita APA (7a ed.)

(1933). A study of similarities and differences in teaching in nursery school, kindergarten, and first grade.

Cita Chicago Style (17a ed.)

A Study of Similarities and Differences in Teaching in Nursery School, Kindergarten, and First Grade. New York, 1933.

Cita MLA (9a ed.)

A Study of Similarities and Differences in Teaching in Nursery School, Kindergarten, and First Grade. 1933.