APA (7th ed.) Citation

Sprague, E. (1966). What is philosophy?: A short introduction (6.print.). Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Sprague, Elmer. What Is Philosophy?: A Short Introduction. 6.print. New York: Oxford Univ. Press, 1966.

MLA (9th ed.) Citation

Sprague, Elmer. What Is Philosophy?: A Short Introduction. 6.print. Oxford Univ. Press, 1966.