APA (7th ed.) Citation

Standard and Poor's Corporation. (1981). Standard & Poor's stock market encyclopedia of the S&P "500". Standard & Poor's Corp..

Chicago Style (17th ed.) Citation

Standard and Poor's Corporation. Standard & Poor's Stock Market Encyclopedia of the S&P "500". New York: Standard & Poor's Corp., 1981.

MLA (9th ed.) Citation

Standard and Poor's Corporation. Standard & Poor's Stock Market Encyclopedia of the S&P "500". Standard & Poor's Corp., 1981.