APA (7th ed.) Citation

Langer, S. K. (1957). Problems of art: Ten philosophical lectures. Scribner.

Chicago Style (17th ed.) Citation

Langer, Susanne K. Problems of Art: Ten Philosophical Lectures. New York: Scribner, 1957.

MLA (9th ed.) Citation

Langer, Susanne K. Problems of Art: Ten Philosophical Lectures. Scribner, 1957.