Cita APA (7a ed.)

Siegel, S., & Domjan, M. (1971). Backward conditoning as an inhibitory procedure. [s.n.].

Cita Chicago Style (17a ed.)

Siegel, Shepard, y Michael Domjan. Backward Conditoning as an Inhibitory Procedure. [S.l.]: [s.n.], 1971.

Cita MLA (9a ed.)

Siegel, Shepard, y Michael Domjan. Backward Conditoning as an Inhibitory Procedure. [s.n.], 1971.