APA (7th ed.) Citation

Marcus, R., Feldman, D., & Kelsey, J. L. (2001). Osteoporosis (Second edition.). Academic Press.

Chicago Style (17th ed.) Citation

Marcus, Robert, David Feldman, and Jennifer L. Kelsey. Osteoporosis. Second edition. San Diego, CA: Academic Press, 2001.

MLA (9th ed.) Citation

Marcus, Robert, et al. Osteoporosis. Second edition. Academic Press, 2001.