Edited by Long, J. A. (1993). Palaeozoic vertebrate biostratigraphy and biogeography. Belhaven.
Cita Chicago (17th ed.)Edited by Long, John A. Palaeozoic Vertebrate Biostratigraphy and Biogeography. London: Belhaven, 1993.
Cita MLA (9th ed.)Edited by Long, John A. Palaeozoic Vertebrate Biostratigraphy and Biogeography. Belhaven, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.