Cite

A catalogue of the Portland Museum : lately the property of the Duchess Dowager of Portland, deceased : which will be sold by auction, by Mr. Skinner and Co. on Monday the 24th of April, 1786 ...

MLA

Skinner and Co. (London, England). A catalogue of the Portland Museum : lately the property of the Duchess Dowager of Portland, deceased : which will be sold by auction, by Mr. Skinner and Co. on Monday the 24th of April, 1786 .... [1786]. https://collections.library.yale.edu/catalog/2013321.

APA, 6th edition

Skinner and Co. (London, England). ([1786])[A catalogue of the Portland Museum : lately the property of the Duchess Dowager of Portland, deceased : which will be sold by auction, by Mr. Skinner and Co. on Monday the 24th of April, 1786 ...]. https://collections.library.yale.edu/catalog/2013321.