Cita APA (7a ed.)

Gordon, W., & Lambert, A. Our country's shells and how to know them: A guide to the British mollusca. Simpkin.

Cita Chicago Style (17a ed.)

Gordon, W.J, y A. Lambert. Our Country's Shells and How to Know Them: A Guide to the British Mollusca. Marshall, London: Simpkin.

Cita MLA (9a ed.)

Gordon, W.J, y A. Lambert. Our Country's Shells and How to Know Them: A Guide to the British Mollusca. Simpkin.