Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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