APA
ANON, . (1904). A Guide to the Fossil Mammals and Birds in the Department of Geology and Palaeontology in the British Museum Natural History. LONDON: BMNH.
Chicago
ANON, . 1904. A Guide to the Fossil Mammals and Birds in the Department of Geology and Palaeontology in the British Museum Natural History. LONDON: BMNH.
Harvard
ANON, . (1904). A Guide to the Fossil Mammals and Birds in the Department of Geology and Palaeontology in the British Museum Natural History. LONDON: BMNH.
MLA
ANON, . A Guide to the Fossil Mammals and Birds in the Department of Geology and Palaeontology in the British Museum Natural History. LONDON: BMNH. 1904.