APA (7th ed.) Citation

Hughes, H. S. (1962). Oswald Spengler: A critical estimate (Rev. ed.). Scribner.

Chicago Style (17th ed.) Citation

Hughes, Henry Stuart. Oswald Spengler: A Critical Estimate. Rev. ed. New York: Scribner, 1962.

MLA (9th ed.) Citation

Hughes, Henry Stuart. Oswald Spengler: A Critical Estimate. Rev. ed. Scribner, 1962.