APA (7th ed.) Zitazioa

Charnley, J., & Verdier, C. (2013). As time goes by: Portraits of age. Cambridge Scholars Publishing.

Chicago Style (17th ed.) Zitazioa

Charnley, Joy, eta Caroline Verdier. As Time Goes by: Portraits of Age. Newcastle upon Tyne. United Kingdom: Cambridge Scholars Publishing, 2013.

MLA (9th ed.) Zitazioa

Charnley, Joy, eta Caroline Verdier. As Time Goes by: Portraits of Age. Cambridge Scholars Publishing, 2013.