MLA

Leist, Anja K, Jenni Kulmala, and Fredrica Nyqvist. Health and Cognition In Old Age. Springer International Publishing, 2014.

APA

Leist, A. K, Kulmala, J., & Nyqvist, F. (2014). Health and Cognition in Old Age. Springer International Publishing.

Chicago

Leist, Anja K., Jenni Kulmala, and Fredrica Nyqvist. Health and Cognition In Old Age. : Springer International Publishing, 2014.