APA (7th ed.) Citation

Wright, D. B., & London, K. (2009). First (and second) steps in statistics (2. ed.). Sage.

Chicago Style (17th ed.) Citation

Wright, Daniel B., and Kamala London. First (and Second) Steps in Statistics. 2. ed. Los Angeles [u.a.]: Sage, 2009.

MLA (9th ed.) Citation

Wright, Daniel B., and Kamala London. First (and Second) Steps in Statistics. 2. ed. Sage, 2009.