Cita APA (7a ed.)

Pearson, B. D. (1987). Pain control: An experiment with imagery. [s.n.].

Cita Chicago Style (17a ed.)

Pearson, Betty D. Pain Control: An Experiment with Imagery. [S.l.]: [s.n.], 1987.

Cita MLA (9a ed.)

Pearson, Betty D. Pain Control: An Experiment with Imagery. [s.n.], 1987.