Cita APA (7a ed.)

Marcus, R., Feldman, D., & Kelsey, J. (1996). Osteoporosis. Academic Press.

Cita Chicago Style (17a ed.)

Marcus, Robert,, D. Feldman, y Jennifer Kelsey. Osteoporosis. San Diego [etc.]: Academic Press, 1996.

Cita MLA (9a ed.)

Marcus, Robert,, et al. Osteoporosis. Academic Press, 1996.