APA (7th ed.) Citation

Keulen, P. v., & Rhebergen, F. (2017). Typology and fossil assemblage of Sandbian (Ordovician) ‘baksteenkalk’: An erratic silicified limestone of Baltic origin from the northeastern Netherlands and adjacent areas of Germany. Estonian Academy Publishers.

Chicago Style (17th ed.) Citation

Keulen, Percy van, and Freek Rhebergen. Typology and Fossil Assemblage of Sandbian (Ordovician) ‘baksteenkalk’: An Erratic Silicified Limestone of Baltic Origin from the Northeastern Netherlands and Adjacent Areas of Germany. Estonian Academy Publishers, 2017.

MLA (9th ed.) Citation

Keulen, Percy van, and Freek Rhebergen. Typology and Fossil Assemblage of Sandbian (Ordovician) ‘baksteenkalk’: An Erratic Silicified Limestone of Baltic Origin from the Northeastern Netherlands and Adjacent Areas of Germany. Estonian Academy Publishers, 2017.