Cita APA (7a ed.)

Sainsbury, R. (1971). The feature positive effect and simultaneous discrimination learning. [s.n.].

Cita Chicago Style (17a ed.)

Sainsbury, Robert. The Feature Positive Effect and Simultaneous Discrimination Learning. [S.l.]: [s.n.], 1971.

Cita MLA (9a ed.)

Sainsbury, Robert. The Feature Positive Effect and Simultaneous Discrimination Learning. [s.n.], 1971.