Παραπομπή σε μορφή APA (7η εκδ.)

Norman, R. A., & Paul, S. P. (2017). The Last Natural Man: Where Have We Been and Where Are We Going? Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Norman, Robert A., και Sharad P. Paul. The Last Natural Man: Where Have We Been and Where Are We Going? Cham: Springer International Publishing : Imprint: Springer, 2017.

Παραπομπή σε μορφή MLA (8th εκδ.)

Norman, Robert A., και Sharad P. Paul. The Last Natural Man: Where Have We Been and Where Are We Going? Springer International Publishing : Imprint: Springer, 2017.