Παραπομπή σε μορφή APA (7η εκδ.)

Waddington, C. H. (1968). Towards a theoretical biology: An IUBS symposium / ed. by C. H. Waddington. International Union of Biological Sciences. Edinburgh Univ. Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Waddington, Conrad H. Towards a Theoretical Biology: An IUBS Symposium / Ed. by C. H. Waddington. International Union of Biological Sciences. Edinburgh: Edinburgh Univ. Press, 1968.

Παραπομπή σε μορφή MLA (8th εκδ.)

Waddington, Conrad H. Towards a Theoretical Biology: An IUBS Symposium / Ed. by C. H. Waddington. International Union of Biological Sciences. Edinburgh Univ. Press, 1968.