APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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