Cita APA (7th ed.)

Heywood, C., Cowey, A., & Newcombe, F. (1991). Chromatic Discrimination in a Cortically Colour Blind Observer.

Cita Chicago (17th ed.)

Heywood, C., A. Cowey, i F. Newcombe. Chromatic Discrimination in a Cortically Colour Blind Observer. 1991.

Cita MLA (9th ed.)

Heywood, C., et al. Chromatic Discrimination in a Cortically Colour Blind Observer. 1991.