APA
Elton E. J., Gruber Martin J, Brown S. J. & Goetzmann W. N. (2014). Modern portfolio theory and investment analysis. New Delhi: Wiley.
Chicago
Elton Edwin J, Gruber Martin J, Brown Stephen J and Goetzmann William N. 2014. Modern portfolio theory and investment analysis. New Delhi: Wiley.
Harvard
Elton E. J., Gruber Martin J, Brown S. J. and Goetzmann W. N. (2014). Modern portfolio theory and investment analysis. New Delhi: Wiley.
MLA
Elton Edwin J, Gruber Martin J, Brown Stephen J and Goetzmann William N. Modern portfolio theory and investment analysis. New Delhi: Wiley. 2014.