APA (7th ed.) Citation

Alexander, G. J. (1975). Portfolio selection models: : a theoretical and empirical investigation. University Microfilms International. Dissertation Information Service.

Chicago Style (17th ed.) Citation

Alexander, Gordon J. Portfolio Selection Models: : A Theoretical and Empirical Investigation. [Ann Arbor, Mich.: University Microfilms International. Dissertation Information Service, 1975.

MLA (9th ed.) Citation

Alexander, Gordon J. Portfolio Selection Models: : A Theoretical and Empirical Investigation. University Microfilms International. Dissertation Information Service, 1975.