Great Seal Patent Office (Great Britain), Hay, J., Tucker, H. C., Dufilhol, A. M., Edwards, W., Lake, W. R., . . . Twigg, G. Patents specifications: Farriery etc., 1868-70.
Chicago Style (17th ed.) CitationGreat Seal Patent Office (Great Britain), et al. Patents Specifications: Farriery Etc., 1868-70.
MLA (9th ed.) CitationGreat Seal Patent Office (Great Britain), et al. Patents Specifications: Farriery Etc., 1868-70.
Warning: These citations may not always be 100% accurate.