APA (7th ed.) Citation

Rittenbruch, M., Viller, S., & Mansfield, T. (2007). Announcing Activity: Design and Evaluation of an Intentionally Enriched Awareness Service. Human-Computer Interaction, 22(1/2), 137. https://doi.org/10.1080/07370020701307930

Chicago Style (17th ed.) Citation

Rittenbruch, Markus, Stephen Viller, and Tim Mansfield. "Announcing Activity: Design and Evaluation of an Intentionally Enriched Awareness Service." Human-Computer Interaction 22, no. 1/2 (2007): 137. https://doi.org/10.1080/07370020701307930.

MLA (9th ed.) Citation

Rittenbruch, Markus, et al. "Announcing Activity: Design and Evaluation of an Intentionally Enriched Awareness Service." Human-Computer Interaction, vol. 22, no. 1/2, 2007, p. 137, https://doi.org/10.1080/07370020701307930.