Poulsen, V. (1963). "Ctenopyge pecten tenuis n. subsp." from the Upper Cambrian of Bornholm. Munksgaard.
Chicago Style (17th ed.) CitationPoulsen, Valdemar. "Ctenopyge Pecten Tenuis N. Subsp." from the Upper Cambrian of Bornholm. København: Munksgaard, 1963.
MLA (9th ed.) CitationPoulsen, Valdemar. "Ctenopyge Pecten Tenuis N. Subsp." from the Upper Cambrian of Bornholm. Munksgaard, 1963.
Warning: These citations may not always be 100% accurate.