APA (7th ed.) Citation

Dean, W. T. (1961). The Liassic Ammonite zones and subzones of the north-west European province. British Museum.

Chicago Style (17th ed.) Citation

Dean, William Thornton. The Liassic Ammonite Zones and Subzones of the North-west European Province. London: British Museum, 1961.

MLA (9th ed.) Citation

Dean, William Thornton. The Liassic Ammonite Zones and Subzones of the North-west European Province. British Museum, 1961.