A catalogue of the superb and elegant produce, of Mess. Boulton and Fothergill's or moulu manufactory, at Soho, in Staffordshire :
consisting of a variety of most beautiful and rich articles, comprehending vases of exquisite shapes, clock-cases, candle-branches, essence pots, and many other ornaments : which will be sold by auction by Mr. Christie, a this [that is, at his] Great Room next Cumberland-House, in Pall-Mall, on Thursday, April 11, 1771, and the two following days.

APA Citation

Christie, M. (James)., Fothergill, J., Boulton, M. (1771). A catalogue of the superb and elegant produce, of Mess. Boulton and Fothergill's or moulu manufactory, at Soho, in Staffordshire: consisting of a variety of most beautiful and rich articles, comprehending vases of exquisite shapes, clock-cases, candle-branches, essence pots, and many other ornaments : which will be sold by auction by Mr. Christie, a this [that is, at his] Great Room next Cumberland-House, in Pall-Mall, on Thursday, April 11, 1771, and the two following days. [London]: [Mr. Christie].

MLA Citation

Christie, Mr. (James), 1730-1803, John Fothergill, and Matthew Boulton. A Catalogue of the Superb And Elegant Produce, of Mess. Boulton And Fothergill's Or Moulu Manufactory, At Soho, In Staffordshire: Consisting of a Variety of Most Beautiful And Rich Articles, Comprehending Vases of Exquisite Shapes, Clock-cases, Candle-branches, Essence Pots, And Many Other Ornaments : Which Will Be Sold by Auction by Mr. Christie, a This [that Is, At His] Great Room Next Cumberland-House, In Pall-Mall, On Thursday, April 11, 1771, And the Two Following Days. [London]: [Mr. Christie], 1771.

Warning: These citations may not always be complete (especially for serials).