Παραπομπή σε μορφή APA (7η εκδ.)

Raff, R. A. (2012). Once we all had gills: Growing up evolutionist in an evolving world. Indiana University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Raff, Rudolf A. Once We All Had Gills: Growing Up Evolutionist in an Evolving World. Bloomington, Ind.: Indiana University Press, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Raff, Rudolf A. Once We All Had Gills: Growing Up Evolutionist in an Evolving World. Indiana University Press, 2012.