APA (7th ed.) Citation

George, D., & Mallery, P.. (2017). IBM SPSS statistics 23 step by step: A simple guide and reference (Fourteenth edition.). Pearson Education.

Chicago Style (17th ed.) Citation

George, Darren, and Paul Mallery. IBM SPSS Statistics 23 Step by Step: A Simple Guide and Reference. Fourteenth edition. Boston, Massachusetts: Pearson Education, 2017.

MLA (9th ed.) Citation

George, Darren, and Paul Mallery. IBM SPSS Statistics 23 Step by Step: A Simple Guide and Reference. Fourteenth edition. Pearson Education, 2017.