APA (7th ed.) Citation

Langdon, G. (1933). Similarities and differences in teaching in nursery school, kindergarten, and first grade. The John Day Co.

Chicago Style (17th ed.) Citation

Langdon, Grace. Similarities and Differences in Teaching in Nursery School, Kindergarten, and First Grade. New York: The John Day Co, 1933.

MLA (9th ed.) Citation

Langdon, Grace. Similarities and Differences in Teaching in Nursery School, Kindergarten, and First Grade. The John Day Co, 1933.

Warning: These citations may not always be 100% accurate.