Cita APA (7th ed.)

Holtzblatt, K., & Beyer, H. (2017). Contextual design: Design for life (Second edition.). Morgan Kaufmann.

Cita Chicago (17th ed.)

Holtzblatt, Karen, i Hugh Beyer. Contextual Design: Design for Life. Second edition. Cambridge, MA: Morgan Kaufmann, 2017.

Cita MLA (9th ed.)

Holtzblatt, Karen, i Hugh Beyer. Contextual Design: Design for Life. Second edition. Morgan Kaufmann, 2017.