APA (7th ed.) Citation

Hughes, H. S. (1975). Oswald Spengler : a critical estimate / H. Stuart Hughes: A critical estimate. Greenwood Press.

Chicago Style (17th ed.) Citation

Hughes, H. Stuart. Oswald Spengler : A Critical Estimate / H. Stuart Hughes: A Critical Estimate. Westport, Conn.: Greenwood Press, 1975.

MLA (9th ed.) Citation

Hughes, H. Stuart. Oswald Spengler : A Critical Estimate / H. Stuart Hughes: A Critical Estimate. Greenwood Press, 1975.

Warning: These citations may not always be 100% accurate.