MLA

Roller-Wirnsberger, Maria Cristina Polidori, and Katrin Singler. Learning Geriatric Medicine. Springer International Publishing, 2018.

APA

Roller-Wirnsberger, R., Polidori, M. Cristina, & Singler, K. (2018). Learning Geriatric Medicine. Springer International Publishing.

Chicago

Roller-Wirnsberger, Maria Cristina Polidori, and Katrin Singler. Learning Geriatric Medicine. : Springer International Publishing, 2018.