APA (7th ed.) Citation

(1989). Ammonites from the Early Campanian Vaals Formation at the CPL Quarry (Haccourt, Liège, Belgium) and their stratigraphic implications: On-shore carboniferous palynology of the Netherlands.

Chicago Style (17th ed.) Citation

Ammonites from the Early Campanian Vaals Formation at the CPL Quarry (Haccourt, Liège, Belgium) and Their Stratigraphic Implications: On-shore Carboniferous Palynology of the Netherlands. Haarlem, 1989.

MLA (9th ed.) Citation

Ammonites from the Early Campanian Vaals Formation at the CPL Quarry (Haccourt, Liège, Belgium) and Their Stratigraphic Implications: On-shore Carboniferous Palynology of the Netherlands. 1989.