Newberry, J. S. (1890). The Paleozoic fishes of America (1a. ed.). Government Printing Office.
Cita Chicago (17th ed.)Newberry, John Strong. The Paleozoic Fishes of America. 1a. ed. Washington, D.C: Government Printing Office, 1890.
Cita MLA (9th ed.)Newberry, John Strong. The Paleozoic Fishes of America. 1a. ed. Government Printing Office, 1890.
Atenció: Aquestes cites poden no estar 100% correctes.