Cita APA (7a ed.)

ELTON, E. J., & GRUBER, M. J. (1987). Modern portopolio theory and investment analysis.--ed.3. John Wiley.

Cita Chicago Style (17a ed.)

ELTON, Edwin J., y Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.3. New York: John Wiley, 1987.

Cita MLA (9a ed.)

ELTON, Edwin J., y Martin J. GRUBER. Modern Portopolio Theory and Investment Analysis.--ed.3. John Wiley, 1987.