APA (7th ed.) Citation

Pollock, P. H. (2009). An SPSS companion to political anlysis (3rd ed.). CQ Press.

Chicago Style (17th ed.) Citation

Pollock, Philip H. An SPSS Companion to Political Anlysis. 3rd ed. Washington: CQ Press, 2009.

MLA (9th ed.) Citation

Pollock, Philip H. An SPSS Companion to Political Anlysis. 3rd ed. CQ Press, 2009.