APA (7th ed.) Citation

Erskine, J. (1915). The moral obligation to be intelligent: And other essays. Duffield and company.

Chicago Style (17th ed.) Citation

Erskine, John. The Moral Obligation to Be Intelligent: And Other Essays. New York: Duffield and company, 1915.

MLA (9th ed.) Citation

Erskine, John. The Moral Obligation to Be Intelligent: And Other Essays. Duffield and company, 1915.