Cita APA (7a ed.)

McCrae, R. R. (1982). Age differences in the use of coping mechanisms. [s.n.].

Cita Chicago Style (17a ed.)

McCrae, Robert R. Age Differences in the Use of Coping Mechanisms. [S.l.]: [s.n.], 1982.

Cita MLA (9a ed.)

McCrae, Robert R. Age Differences in the Use of Coping Mechanisms. [s.n.], 1982.