APA (7th ed.) Citation

Freedman, D., Pisani, R., & Purves, R. (1980). Statistics (1a. ed.). W. W. Norton and Company.

Chicago Style (17th ed.) Citation

Freedman, David, Robert Pisani, and Roger Purves. Statistics. 1a. ed. Nueva York: W. W. Norton and Company, 1980.

MLA (9th ed.) Citation

Freedman, David, et al. Statistics. 1a. ed. W. W. Norton and Company, 1980.