APA (7th ed.) Citation

Kupffer, R., Wutzler, M., Krems, J. F., & Jahn, G. (2018). A Comparison of a Smartphone App and a Wrist-Worn Fitness Tracker for Self-monitoring of Physical Activity by Older and Younger Users. Smart Objects and Technologies for Social Good, 233, 331-341. https://doi.org/10.1007/978-3-319-76111-4_33

Chicago Style (17th ed.) Citation

Kupffer, Rebekka, Melanie Wutzler, Josef F. Krems, and Georg Jahn. "A Comparison of a Smartphone App and a Wrist-Worn Fitness Tracker for Self-monitoring of Physical Activity by Older and Younger Users." Smart Objects and Technologies for Social Good 233 (2018): 331-341. https://doi.org/10.1007/978-3-319-76111-4_33.

MLA (9th ed.) Citation

Kupffer, Rebekka, et al. "A Comparison of a Smartphone App and a Wrist-Worn Fitness Tracker for Self-monitoring of Physical Activity by Older and Younger Users." Smart Objects and Technologies for Social Good, vol. 233, 2018, pp. 331-341, https://doi.org/10.1007/978-3-319-76111-4_33.