APA (7th ed.) Citation

Caswell, H. L. (1956). How firm a foundationn An appraisal of threats to the quality of elementary education. Harvard University Press.

Chicago Style (17th ed.) Citation

Caswell, Hollis Leland. How Firm a Foundationn An Appraisal of Threats to the Quality of Elementary Education. Cambridge: Harvard University Press, 1956.

MLA (9th ed.) Citation

Caswell, Hollis Leland. How Firm a Foundationn An Appraisal of Threats to the Quality of Elementary Education. Harvard University Press, 1956.