Cita APA (7a ed.)

Snodgrass, J. G., & Corwin, J. (1988). Perceptual identification thresholds for 150 fragmented pictures from the Snodgrass and Vanderwart picture set. [s.n.].

Cita Chicago Style (17a ed.)

Snodgrass, Joan Gay, y June Corwin. Perceptual Identification Thresholds for 150 Fragmented Pictures from the Snodgrass and Vanderwart Picture Set. [S.l.]: [s.n.], 1988.

Cita MLA (9a ed.)

Snodgrass, Joan Gay, y June Corwin. Perceptual Identification Thresholds for 150 Fragmented Pictures from the Snodgrass and Vanderwart Picture Set. [s.n.], 1988.