Cita APA (7a ed.)

Coulter, X., Riccio, D. C., & Page, H. A. (1969). Effects of blocking an instrumental avoidance response: Facilitated extinction but persistence of fear. [s.n.].

Cita Chicago Style (17a ed.)

Coulter, Xenia, Dacid C. Riccio, y Horace A. Page. Effects of Blocking an Instrumental Avoidance Response: Facilitated Extinction but Persistence of Fear. [S.l.]: [s.n.], 1969.

Cita MLA (9a ed.)

Coulter, Xenia, et al. Effects of Blocking an Instrumental Avoidance Response: Facilitated Extinction but Persistence of Fear. [s.n.], 1969.