Jeletzky, J. A., & Kemper, E. (1988). Comparative paleontology and stratigraphy of valanginian polyptychintinae and simbirskitinae in sverdrup basin (Arctic Canada) and Lower saxony basin (Northwest Germany).
Chicago Style (17th ed.) CitationJeletzky, J. A., and Edwin Kemper. Comparative Paleontology and Stratigraphy of Valanginian Polyptychintinae and Simbirskitinae in Sverdrup Basin (Arctic Canada) and Lower Saxony Basin (Northwest Germany). Ottawa, 1988.
MLA (9th ed.) CitationJeletzky, J. A., and Edwin Kemper. Comparative Paleontology and Stratigraphy of Valanginian Polyptychintinae and Simbirskitinae in Sverdrup Basin (Arctic Canada) and Lower Saxony Basin (Northwest Germany). 1988.
Warning: These citations may not always be 100% accurate.