APA (7th ed.) Citation

Langdridge, D. (2004). Introduction to research methods and data analysis in psychology. Pearson Education Limited.

Chicago Style (17th ed.) Citation

Langdridge, Darren. Introduction to Research Methods and Data Analysis in Psychology. Harlow: Pearson Education Limited, 2004.

MLA (9th ed.) Citation

Langdridge, Darren. Introduction to Research Methods and Data Analysis in Psychology. Pearson Education Limited, 2004.