Sowerby, G. B. Illustrated Index of British Shells Containing figures of all the recent species.
Chicago Style (17th ed.) CitationSowerby, G. B. Illustrated Index of British Shells Containing Figures of All the Recent Species.
MLA (9th ed.) CitationSowerby, G. B. Illustrated Index of British Shells Containing Figures of All the Recent Species.
Warning: These citations may not always be 100% accurate.