Cita APA (7a ed.)

Berbmans, J. (1960). Seeing colours. Philips Technical Library.

Cita Chicago Style (17a ed.)

Berbmans, Jan. Seeing Colours. Eindhoven: Philips Technical Library, 1960.

Cita MLA (9a ed.)

Berbmans, Jan. Seeing Colours. Philips Technical Library, 1960.