APA (7th ed.) Citation

George & Mallery. (2003). SPSS for Windows step by step: A simple guide and reference, 11.0 update (4th ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

George and Mallery. SPSS for Windows Step by Step: A Simple Guide and Reference, 11.0 Update. 4th ed. Boston: Allyn and Bacon, 2003.

MLA (8th ed.) Citation

George and Mallery. SPSS for Windows Step by Step: A Simple Guide and Reference, 11.0 Update. 4th ed. Allyn and Bacon, 2003.