Cita APA (7a ed.)

Thomas, J. (1971). Palaeozoic fishes. Saunders Company W.B..

Cita Chicago Style (17a ed.)

Thomas, J.A. Palaeozoic Fishes. Gran Bretaña: Saunders Company W.B., 1971.

Cita MLA (8a ed.)

Thomas, J.A. Palaeozoic Fishes. Saunders Company W.B., 1971.