Cita APA (7th ed.)

Walpole, R. E. (1968). Introduction to statistics. Macmillan.

Cita Chicago (17th ed.)

Walpole, Ronald E. Introduction to Statistics. London: Macmillan, 1968.

Cita MLA (9th ed.)

Walpole, Ronald E. Introduction to Statistics. Macmillan, 1968.