(2004). Frontiers of the Roman Empire: World heritage site ; proposed extension; Obergermanisch-Raetischer Limes; Upper German-Raetian Limes ; nomination for inclusion on the world heritage list. Landesdenkmalamt Baden-Württemberg [u. a.].
Chicago Style (17th ed.) CitationFrontiers of the Roman Empire: World Heritage Site ; Proposed Extension; Obergermanisch-Raetischer Limes; Upper German-Raetian Limes ; Nomination for Inclusion on the World Heritage List. Stuttgart: Landesdenkmalamt Baden-Württemberg [u. a.], 2004.
MLA (9th ed.) CitationFrontiers of the Roman Empire: World Heritage Site ; Proposed Extension; Obergermanisch-Raetischer Limes; Upper German-Raetian Limes ; Nomination for Inclusion on the World Heritage List. Landesdenkmalamt Baden-Württemberg [u. a.], 2004.