Cita APA (7a ed.)

Williams, E. J. (1967). Regression analysis (4th printing.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Williams, E. J. Regression Analysis. 4th printing. New York [etc.]: John Wiley & Sons, 1967.

Cita MLA (9a ed.)

Williams, E. J. Regression Analysis. 4th printing. John Wiley & Sons, 1967.