APA (7th ed.) Citation

Spiegel & Stephens. (1999). Schaum's outline of theory and problems of statistics (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Spiegel and Stephens. Schaum's Outline of Theory and Problems of Statistics. 3rd ed. New York: McGraw-Hill, 1999.

MLA (8th ed.) Citation

Spiegel and Stephens. Schaum's Outline of Theory and Problems of Statistics. 3rd ed. McGraw-Hill, 1999.