APA-referens (7:e uppl.)

Stevens, M. (2021). Life in Colour: How Animals See the World. BBC Books.

Chicago-referens (17:e uppl.)

Stevens, Martin. Life in Colour: How Animals See the World. London, UK: BBC Books, 2021.

MLA-referens (9:e uppl.)

Stevens, Martin. Life in Colour: How Animals See the World. BBC Books, 2021.