APA (7th ed.) Citation

Lang, J., & Howell, E. (2017). Researching UX: User Research.

Chicago Style (17th ed.) Citation

Lang, James, and Emma Howell. Researching UX: User Research. 2017.

MLA (9th ed.) Citation

Lang, James, and Emma Howell. Researching UX: User Research. 2017.

Warning: These citations may not always be 100% accurate.