Johnson, E. A. (2015). Ask the beasts: Darwin and the god of love (Paperback edition.). Bloomsbury.
Citazione stile Chigago Style (17a edizione)Johnson, Elizabeth A. Ask the Beasts: Darwin and the God of Love. Paperback edition. London Oxford New York New Delhi Sydney: Bloomsbury, 2015.
Citatione MLA (8a ed.)Johnson, Elizabeth A. Ask the Beasts: Darwin and the God of Love. Paperback edition. Bloomsbury, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.