APA (7th ed.) Citation

Kallen, H. M., & Hook, S. (1968). American philosophy today and tomorrow. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Kallen, Horace Meyer, and Sidney Hook. American Philosophy Today and Tomorrow. Freeport, N.Y.: Books for Libraries Press, 1968.

MLA (8th ed.) Citation

Kallen, Horace Meyer, and Sidney Hook. American Philosophy Today and Tomorrow. Books for Libraries Press, 1968.