APA (7th ed.) Citation

Nielsen, L., & Nielsen, L. (2019). Personas - User Focused Design (2nd ed. 2019.). Springer London : Imprint: Springer. https://doi.org/10.1007/978-1-4471-7427-1

Chicago Style (17th ed.) Citation

Nielsen, Lene, and Lene Nielsen. Personas - User Focused Design. 2nd ed. 2019. London: Springer London : Imprint: Springer, 2019. https://doi.org/10.1007/978-1-4471-7427-1.

MLA (8th ed.) Citation

Nielsen, Lene, and Lene Nielsen. Personas - User Focused Design. 2nd ed. 2019. Springer London : Imprint: Springer, 2019. https://doi.org/10.1007/978-1-4471-7427-1.