Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Engelhardt, H. T. (2012). Bioethics Critically Reconsidered: Having Second Thoughts. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και H. Tristram Engelhardt. Bioethics Critically Reconsidered: Having Second Thoughts. Dordrecht: Springer Netherlands, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και H. Tristram Engelhardt. Bioethics Critically Reconsidered: Having Second Thoughts. Springer Netherlands, 2012.