APA (7th ed.) Citation

Siezenga, A. M., Mertens, E. C., & Gelder, J. v. To use and engage? Identifying distinct user types in interaction with a smartphone-based intervention. Elsevier.

Chicago Style (17th ed.) Citation

Siezenga, Aniek M., Esther C.A Mertens, and Jean-Louis van Gelder. To Use and Engage? Identifying Distinct User Types in Interaction with a Smartphone-based Intervention. Elsevier.

MLA (9th ed.) Citation

Siezenga, Aniek M., et al. To Use and Engage? Identifying Distinct User Types in Interaction with a Smartphone-based Intervention. Elsevier.