APA (7th ed.) Citation

Santayana, G., Buchler, J., & Schwartz, B. (1936). Obiter scripta: Lectures, essays and reviews. C. Scribner.

Chicago Style (17th ed.) Citation

Santayana, George, Justus Buchler, and Benjamin Schwartz. Obiter Scripta: Lectures, Essays and Reviews. New York: C. Scribner, 1936.

MLA (9th ed.) Citation

Santayana, George, et al. Obiter Scripta: Lectures, Essays and Reviews. C. Scribner, 1936.