Cita APA (7a ed.)
Butzer, K. W., Clark, J. D., & Cooke, H. B. S. (1974). The Geology, archaeology and fossil mammals of the Cornelia Beds, O.F.S: Karl W. Butzer, J[ohn] Desmond Clark and H[erbert] B[asil] S[utton] Cooke. Nasional Museum.
Cita Chicago Style (17a ed.)
Butzer, Karl Wilhelm, John Desmond Clark, y Herbert Basil Sutton Cooke. The Geology, Archaeology and Fossil Mammals of the Cornelia Beds, O.F.S: Karl W. Butzer, J[ohn] Desmond Clark and H[erbert] B[asil] S[utton] Cooke. Bloemfontein: Nasional Museum, 1974.
Cita MLA (9a ed.)
Butzer, Karl Wilhelm, et al. The Geology, Archaeology and Fossil Mammals of the Cornelia Beds, O.F.S: Karl W. Butzer, J[ohn] Desmond Clark and H[erbert] B[asil] S[utton] Cooke. Nasional Museum, 1974.
Precaución: Estas citas no son 100% exactas.