MLA

Wasserman, Michael, and James Riopelle. Primary Care for Older Adults. Springer International Publishing, 2018.

APA

Wasserman, M., & Riopelle, J. (2018). Primary Care for Older Adults. Springer International Publishing.

Chicago

Wasserman, Michael, and James Riopelle. Primary Care for Older Adults. : Springer International Publishing, 2018.