Cita APA (7a ed.)

American Psychiatric Association., editor, Busse, E. W., & Pfeiffer, E. (1973). Mental illness in later life (2nd printing.). American Psychiatric Association Washington.

Cita Chicago Style (17a ed.)

American Psychiatric Association., editor, Ewald W. Busse, y Eric Pfeiffer. Mental Illness in Later Life. 2nd printing. American Psychiatric Association Washington, 1973.

Cita MLA (9a ed.)

American Psychiatric Association., editor, et al. Mental Illness in Later Life. 2nd printing. American Psychiatric Association Washington, 1973.