APA (7th ed.) Citation

Langdridge, D. (2013). Introduction to research methods and data analysis in psychology (3. ed.). Pearson Prentice Hall.

Chicago Style (17th ed.) Citation

Langdridge, Darren. Introduction to Research Methods and Data Analysis in Psychology. 3. ed. Harlow [u.a.]: Pearson Prentice Hall, 2013.

MLA (9th ed.) Citation

Langdridge, Darren. Introduction to Research Methods and Data Analysis in Psychology. 3. ed. Pearson Prentice Hall, 2013.