APA (7th ed.) Citation

Kallen, H. M. (1932). College prolongs infancy. The John Day company.

Chicago Style (17th ed.) Citation

Kallen, Horace Meyer. College Prolongs Infancy. New York: The John Day company, 1932.

MLA (9th ed.) Citation

Kallen, Horace Meyer. College Prolongs Infancy. The John Day company, 1932.