APA (7th ed.) Citation

Cassel, C. K., Riesenberg, D. E., Sorensen, L. B., & Walsh, J. R. (1990). Geriatric Medicine (Second Edition.). Springer New York.

Chicago Style (17th ed.) Citation

Cassel, Christine K., Donald E. Riesenberg, Leif B. Sorensen, and John R. Walsh. Geriatric Medicine. Second Edition. New York, NY: Springer New York, 1990.

MLA (9th ed.) Citation

Cassel, Christine K., et al. Geriatric Medicine. Second Edition. Springer New York, 1990.