Cita APA (7th ed.)

Pollock, P. H. I. (2016). An IBM SPSS companion to political analysis (Fifth Edition.). SAGE/CQ Press.

Cita Chicago (17th ed.)

Pollock, Philip H. III. An IBM SPSS Companion to Political Analysis. Fifth Edition. Los Angeles: SAGE/CQ Press, 2016.

Cita MLA (9th ed.)

Pollock, Philip H. III. An IBM SPSS Companion to Political Analysis. Fifth Edition. SAGE/CQ Press, 2016.