APA-referens (7:e uppl.)
Butler, D. (2015). Four questions on visual self-recognition: Development, evolution, function, and mechanisms. Cambridge Scholars Publishing.
Chicago-referens (17:e uppl.)
Butler, David. Four Questions on Visual Self-recognition: Development, Evolution, Function, and Mechanisms. Newcastle upon Tyne, England: Cambridge Scholars Publishing, 2015.
MLA-referens (9:e uppl.)
Butler, David. Four Questions on Visual Self-recognition: Development, Evolution, Function, and Mechanisms. Cambridge Scholars Publishing, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.