Cita APA (7th ed.)

Aber, J. W. (1973). Beta coefficients and models of security return. Lexington Books.

Cita Chicago (17th ed.)

Aber, John W. Beta Coefficients and Models of Security Return. Lexington, Mass: Lexington Books, 1973.

Cita MLA (9th ed.)

Aber, John W. Beta Coefficients and Models of Security Return. Lexington Books, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.