Frey, E., & Stinnesbeck, W. (2017). A new polycotylid plesiosaur with extensive soft tissue preservation from the early Late Cretaceous of northeast Mexico. Boletín de la Sociedad Geológica Mexicana, 69(1), .
Chicago Style (17th ed.) CitationFrey, Eberhard, and Wolfgang Stinnesbeck. "A New Polycotylid Plesiosaur with Extensive Soft Tissue Preservation from the Early Late Cretaceous of Northeast Mexico." Boletín De La Sociedad Geológica Mexicana 69, no. 1 (2017).
MLA (9th ed.) CitationFrey, Eberhard, and Wolfgang Stinnesbeck. "A New Polycotylid Plesiosaur with Extensive Soft Tissue Preservation from the Early Late Cretaceous of Northeast Mexico." Boletín De La Sociedad Geológica Mexicana, vol. 69, no. 1, 2017.
Warning: These citations may not always be 100% accurate.