Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.