APA (7th ed.) Citation

Hammond, M., & Wellington, J. J. (2021). Research methods: The key concepts (2nd edition.). Routledge.

Chicago Style (17th ed.) Citation

Hammond, Michael, and J. J. Wellington. Research Methods: The Key Concepts. 2nd edition. London: Routledge, 2021.

MLA (9th ed.) Citation

Hammond, Michael, and J. J. Wellington. Research Methods: The Key Concepts. 2nd edition. Routledge, 2021.