Cita APA (7a ed.)

Hays, W. L. (1963). Statistics. Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Hays, William Lee. Statistics. New York: Holt, Rinehart and Winston, 1963.

Cita MLA (9a ed.)

Hays, William Lee. Statistics. Holt, Rinehart and Winston, 1963.