APA Citation

OLIVER, A., & Nicholls, J. (1989). The Hamlyn guide to shells of the world. London: Hamlyn.

Chicago Style Citation

OLIVER, A.P.H., and James Nicholls. The Hamlyn Guide to Shells of the World. London: Hamlyn, 1989.

MLA Citation

OLIVER, A.P.H., and James Nicholls. The Hamlyn Guide to Shells of the World. London: Hamlyn, 1989.

Warning: These citations may not always be 100% accurate.