Shafe, L. Why is the peacock's tail so beautiful: Laurence Shafe. Darwin and theories of aesthetics and cultural history.(2013).
Citazione stile Chigago Style (17a edizione)Shafe, Laurence. "Why Is the Peacock's Tail so Beautiful: Laurence Shafe." Darwin and Theories of Aesthetics and Cultural History.(2013) .
Citatione MLA (8a ed.)Shafe, Laurence. "Why Is the Peacock's Tail so Beautiful: Laurence Shafe." Darwin and Theories of Aesthetics and Cultural History.(2013), .
Attenzione: Queste citazioni potrebbero non essere precise al 100%.