Cita APA (7a ed.)

Hoel, P. G. (1954). Introduction to mathematical statistics (2nd ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Hoel, Paul Gerhard. Introduction to Mathematical Statistics. 2nd ed. New York [etc.]: John Wiley & Sons, 1954.

Cita MLA (9a ed.)

Hoel, Paul Gerhard. Introduction to Mathematical Statistics. 2nd ed. John Wiley & Sons, 1954.