MLA

Langford, Mr. (Abraham), 1711-1774. A catalogue of the valuable library of Mr. Josiah Colebrook, deceased : F.R.S. and late treasurer of the Antiquarian Society, which ... will be sold by auction, by Mess. Langford ... on Tuesday the 20th of this instant February 1776, and the two following evenings .... [1776]. https://collections.library.yale.edu/catalog/16171687.

APA, 6th edition

Langford, Mr. (Abraham), 1711-1774. ([1776])[A catalogue of the valuable library of Mr. Josiah Colebrook, deceased : F.R.S. and late treasurer of the Antiquarian Society, which ... will be sold by auction, by Mess. Langford ... on Tuesday the 20th of this instant February 1776, and the two following evenings ...]. https://collections.library.yale.edu/catalog/16171687.