APA (7th ed.) Citation

Caswell, H. L. (1956). How firm a foundation?: An appraisal of threats to the quality of elementary education. Harvard university press.

Chicago Style (17th ed.) Citation

Caswell, Hollis Leland. How Firm a Foundation?: An Appraisal of Threats to the Quality of Elementary Education. Cambridge, Mass.: Harvard university press, 1956.

MLA (8th ed.) Citation

Caswell, Hollis Leland. How Firm a Foundation?: An Appraisal of Threats to the Quality of Elementary Education. Harvard university press, 1956.