APA Style

ELTON, EDWIN J., GRUBER, MARTIN J.. (1981). MODERN PORTFOLIO THEORY AND INVESTMENT ANALYSIS (5th. ed.). New York: John Wiley & Sons.

Chicago Style

ELTON, EDWIN J., GRUBER, MARTIN J.. MODERN PORTFOLIO THEORY AND INVESTMENT ANALYSIS. 5th. ed. New York: John Wiley & Sons, 1981. Text.

MLA Style

ELTON, EDWIN J., GRUBER, MARTIN J.. MODERN PORTFOLIO THEORY AND INVESTMENT ANALYSIS. 5th. ed. New York: John Wiley & Sons, 1981. Text.

Turabian Style

ELTON, EDWIN J., GRUBER, MARTIN J.. MODERN PORTFOLIO THEORY AND INVESTMENT ANALYSIS. 5th. ed. New York: John Wiley & Sons, 1981. Print.