Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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