APA-referens (7:e uppl.)
Raff, R. A. (2012). Once we all had gills: Growing up evolutionist in an evolving world. Indiana University Press.
Chicago-referens (17:e uppl.)
Raff, Rudolf A. Once We All Had Gills: Growing Up Evolutionist in an Evolving World. Bloomington, Ind.: Indiana University Press, 2012.
MLA-referens (9:e uppl.)
Raff, Rudolf A. Once We All Had Gills: Growing Up Evolutionist in an Evolving World. Indiana University Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.