APA (7th ed.) Citation

Lockley, M. G., & Williams, A. (1981). Lower Ordovician Brachiopoda from mid and southwest Wales. British Museum (Natural History).

Chicago Style (17th ed.) Citation

Lockley, M. G., and Alwyn Williams. Lower Ordovician Brachiopoda from Mid and Southwest Wales. London: British Museum (Natural History), 1981.

MLA (9th ed.) Citation

Lockley, M. G., and Alwyn Williams. Lower Ordovician Brachiopoda from Mid and Southwest Wales. British Museum (Natural History), 1981.