APA-ийн эшлэл(7 дахь хэвлэлт)
Feldman, H. R. (2015). Paleontology and Geology of the Martinsburg, Shawangunk, Onondaga, and Hornerstown Formations: (Northeastern United States) : with some field guides. Touro College Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Feldman, Howard R. Paleontology and Geology of the Martinsburg, Shawangunk, Onondaga, and Hornerstown Formations: (Northeastern United States) : With Some Field Guides. New York, New York: Touro College Press, 2015.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Feldman, Howard R. Paleontology and Geology of the Martinsburg, Shawangunk, Onondaga, and Hornerstown Formations: (Northeastern United States) : With Some Field Guides. Touro College Press, 2015.
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