APA
Sharpe W. F., . (1970). Portfolio theory and capital markets. New York: McGraw-Hill.
Chicago
Sharpe William F, . 1970. Portfolio theory and capital markets. New York: McGraw-Hill.
Harvard
Sharpe W. F., . (1970). Portfolio theory and capital markets. New York: McGraw-Hill.
MLA
Sharpe William F, . Portfolio theory and capital markets. New York: McGraw-Hill. 1970.