Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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