APA Style

George, Darren, Mallery, Paul. (2019). IBM SPSS Statistics 25 step by step : a simple guide and reference (15th ed. PDF ed.). New York: Routledge.

Chicago Style

George, Darren, Mallery, Paul. IBM SPSS Statistics 25 step by step : a simple guide and reference. 15th ed. PDF ed. New York: Routledge, 2019. Electronic Resource.

MLA Style

George, Darren, Mallery, Paul. IBM SPSS Statistics 25 step by step : a simple guide and reference. 15th ed. PDF ed. New York: Routledge, 2019. Electronic Resource.

Turabian Style

George, Darren, Mallery, Paul. IBM SPSS Statistics 25 step by step : a simple guide and reference. 15th ed. PDF ed. New York: Routledge, 2019. Electronic Resource.