APA način citiranja

Roller-Wirnsberger, R., Singler, K., & Polidori, M. C. (2020). Learning Geriatric Medicine. Springer International Publishing.

Čikaški stil citiranja

Roller-Wirnsberger, Regina, Katrin Singler, i Maria Cristina Polidori. Learning Geriatric Medicine. Springer International Publishing, 2020.

MLA način citiranja

Roller-Wirnsberger, Regina, Katrin Singler, i Maria Cristina Polidori. Learning Geriatric Medicine. Springer International Publishing, 2020.