APA (7th ed.) Citation

Owen, H. G. (1988). The ammonite zonal sequence and ammonite taxonomy in the Douvilleiceras mammillatum superzone (Lower Albian) in Europe. British Museum (Natural History).

Chicago Style (17th ed.) Citation

Owen, H. G. The Ammonite Zonal Sequence and Ammonite Taxonomy in the Douvilleiceras Mammillatum Superzone (Lower Albian) in Europe. London: British Museum (Natural History), 1988.

MLA (9th ed.) Citation

Owen, H. G. The Ammonite Zonal Sequence and Ammonite Taxonomy in the Douvilleiceras Mammillatum Superzone (Lower Albian) in Europe. British Museum (Natural History), 1988.