Cita APA (7a ed.)

Tuulmets, T. (1991). The perception of visual numerosity. Department of Psychology, University of Umeå.

Cita Chicago Style (17a ed.)

Tuulmets, Tiia. The Perception of Visual Numerosity. Umeå: Department of Psychology, University of Umeå, 1991.

Cita MLA (8a ed.)

Tuulmets, Tiia. The Perception of Visual Numerosity. Department of Psychology, University of Umeå, 1991.