Poulsen, V. (1963). The Lower Middle Cambrian Kalby-Ler (Kalby Clay) on the Island of Bornholm. Munksgaard.
Chicago Style (17th ed.) CitationPoulsen, Valdemar. The Lower Middle Cambrian Kalby-Ler (Kalby Clay) on the Island of Bornholm. København: Munksgaard, 1963.
MLA (9th ed.) CitationPoulsen, Valdemar. The Lower Middle Cambrian Kalby-Ler (Kalby Clay) on the Island of Bornholm. Munksgaard, 1963.
Warning: These citations may not always be 100% accurate.