Cita APA (7a ed.)

Markides, K. S., Timbers, D. M., & Osberg, J. S. (1984). Aging and health: A longitudinal study. [s.n.].

Cita Chicago Style (17a ed.)

Markides, Kyriacos S., Dianne M. Timbers, y J. Scott Osberg. Aging and Health: A Longitudinal Study. [S.l.]: [s.n.], 1984.

Cita MLA (9a ed.)

Markides, Kyriacos S., et al. Aging and Health: A Longitudinal Study. [s.n.], 1984.