Cita APA (7a ed.)

Averill, E. W. (1972). Elements of statistics. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Averill, E. W. Elements of Statistics. New York [etc.]: John Wiley & Sons, 1972.

Cita MLA (9a ed.)

Averill, E. W. Elements of Statistics. John Wiley & Sons, 1972.