APA (7th ed.) Citation

OLIVER, A. P. H., & NICHOLLS, J. (1981). The Hamlyn Guide to Shells of the World (Reprinted.). Hamlyn.

Chicago Style (17th ed.) Citation

OLIVER, A P. H., and James NICHOLLS. The Hamlyn Guide to Shells of the World. Reprinted. London: Hamlyn, 1981.

MLA (9th ed.) Citation

OLIVER, A P. H., and James NICHOLLS. The Hamlyn Guide to Shells of the World. Reprinted. Hamlyn, 1981.