Cita APA (7th ed.)

Hoel, P. G. (1963). Elementary statistics (2a. ed.). John Wiley & Sons.

Cita Chicago (17th ed.)

Hoel, Paul G. Elementary Statistics. 2a. ed. Nueva York: John Wiley & Sons, 1963.

Cita MLA (9th ed.)

Hoel, Paul G. Elementary Statistics. 2a. ed. John Wiley & Sons, 1963.