Cita APA (7a ed.)

Conwell, Y., Rotenberg, M., & Caine, E. D. (1990). Completed suicide at age 50 and over. [s.n.].

Cita Chicago Style (17a ed.)

Conwell, Yeates, Melaine Rotenberg, y Eric D. Caine. Completed Suicide at Age 50 and over. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Conwell, Yeates, et al. Completed Suicide at Age 50 and over. [s.n.], 1990.