Cita APA (7a ed.)

Vorm, T., Tonner, M., & Schmidt, R. K. (2012). barcelona. Aarhus University Press.

Cita Chicago Style (17a ed.)

Vorm, Tonny, Martin Tonner, y Rigmor Kappel Schmidt. Barcelona. Santa Barbara: Aarhus University Press, 2012.

Cita MLA (8a ed.)

Vorm, Tonny, et al. Barcelona. Aarhus University Press, 2012.