Gay, J. (1749). The beggar's opera: As it is acted at the Theatre-Royal in Lincoln's-Inn-Fields. Written by Mr. Gay (The sixth edition.). printed for James Dalton, Bookseller, at Sir Isaac Newton's Head on Temple-Bar.
Chicago Style (17th ed.) CitationGay, John. The Beggar's Opera: As It Is Acted at the Theatre-Royal in Lincoln's-Inn-Fields. Written by Mr. Gay. The sixth edition. Dublin: printed for James Dalton, Bookseller, at Sir Isaac Newton's Head on Temple-Bar, 1749.
MLA (9th ed.) CitationGay, John. The Beggar's Opera: As It Is Acted at the Theatre-Royal in Lincoln's-Inn-Fields. Written by Mr. Gay. The sixth edition. printed for James Dalton, Bookseller, at Sir Isaac Newton's Head on Temple-Bar, 1749.
Warning: These citations may not always be 100% accurate.