Citazione Stile APA (7a Edizione)

Spiegel, M. R., & Constable, R. L. (1992). Theory and problems of statistics (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Spiegel, Murray R., e R. L. Constable. Theory and Problems of Statistics. 2nd ed. London: McGraw-Hill, 1992.

Citatione MLA (9a ed.)

Spiegel, Murray R., e R. L. Constable. Theory and Problems of Statistics. 2nd ed. McGraw-Hill, 1992.