APA (7th ed.) Citation

Markowitz, H. M. (1959). Portfolio selection; efficient diversification of investments. Yale University Press.

Chicago Style (17th ed.) Citation

Markowitz, Harry Max. Portfolio Selection; Efficient Diversification of Investments. New Haven: Yale University Press, 1959.

MLA (9th ed.) Citation

Markowitz, Harry Max. Portfolio Selection; Efficient Diversification of Investments. Yale University Press, 1959.

Warning: These citations may not always be 100% accurate.