Cita APA

Herden-Studienreisen Berlin, Azadolmolki-Coisel, A. R., Herden, M., Trillen, T., Ulbrich, S., Scheitle, M., . . . Bienert, M. (2013). Berlin for young people. Herden-Studienreisen.

Citación estilo Chicago

Herden-Studienreisen Berlin, et al. Berlin for Young People. Berlin: Herden-Studienreisen, 2013.

Cita MLA

Herden-Studienreisen Berlin, et al. Berlin for Young People. Herden-Studienreisen, 2013.