Leven, Ė. I., Stevens, C. H., & Baars, D. L. (1997). Permian stratigraphy and Fusulinida of Afghanistan with their paleogeographic and paleotectonic implications. Geological Society of America.
Chicago Style (17th ed.) CitationLeven, Ė. I͡A., Calvin H. Stevens, and Donald L. Baars. Permian Stratigraphy and Fusulinida of Afghanistan with Their Paleogeographic and Paleotectonic Implications. Boulder, Colo.: Geological Society of America, 1997.
MLA (9th ed.) CitationLeven, Ė. I͡A., et al. Permian Stratigraphy and Fusulinida of Afghanistan with Their Paleogeographic and Paleotectonic Implications. Geological Society of America, 1997.
Warning: These citations may not always be 100% accurate.