APA (7th ed.) Citation

Coolidge, F. L. (2006). Statistics: A gentle introduction (2nd ed.). Sage.

Chicago Style (17th ed.) Citation

Coolidge, Frederick L. Statistics: A Gentle Introduction. 2nd ed. Thousand Oaks, Calif: Sage, 2006.

MLA (9th ed.) Citation

Coolidge, Frederick L. Statistics: A Gentle Introduction. 2nd ed. Sage, 2006.