Gaya APA

Seefeldt, J., Syre, L. (2003). Portals to the past and to the future libraries in Germany . New York: Georg Olms.

Gaya MLA

Seefeldt, Jurgen., Syre, Ludger. "Portals to the past and to the future libraries in Germany". New York: Georg Olms, 2003. Text.