APA-ийн эшлэл(7 дахь хэвлэлт)

Meyer, D. L., & Davis, R. A. (2009). A sea without fish: Life in the Ordovician sea of the Cincinnati region. Indiana University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Meyer, David L., ба R. A. Davis. A Sea Without Fish: Life in the Ordovician Sea of the Cincinnati Region. Bloomington: Indiana University Press, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Meyer, David L., ба R. A. Davis. A Sea Without Fish: Life in the Ordovician Sea of the Cincinnati Region. Indiana University Press, 2009.