Cita APA (7a ed.)

Nelson, R. E. (1977). Irrational beliefs in depression. [s.n.].

Cita Chicago Style (17a ed.)

Nelson, R. Eric. Irrational Beliefs in Depression. [S.l.]: [s.n.], 1977.

Cita MLA (9a ed.)

Nelson, R. Eric. Irrational Beliefs in Depression. [s.n.], 1977.