APA (7th ed.) Citation

Elton, E., Gruber, M. J., & Blake, C. (1995). The investment portfolio. Wiley.

Chicago Style (17th ed.) Citation

Elton, Edwin, Martin Jay Gruber, and Christopher Blake. The Investment Portfolio. New York: Wiley, 1995.

MLA (9th ed.) Citation

Elton, Edwin, et al. The Investment Portfolio. Wiley, 1995.