Cita APA (7a ed.)

Dresp-Langley, B., & Langley, K. (2010). The importance of colour perception to animals and man. Nova Science Publishers.

Cita Chicago Style (17a ed.)

Dresp-Langley, Birgitta, y Keith Langley. The Importance of Colour Perception to Animals and Man. New York: Nova Science Publishers, 2010.

Cita MLA (8a ed.)

Dresp-Langley, Birgitta, y Keith Langley. The Importance of Colour Perception to Animals and Man. Nova Science Publishers, 2010.