Perry, W. (1777). The man of business and gentleman's assistant: Containing a complete system of practical arithmetic, including vulgar and decimal fractions, interest, annuities, and purchasing freehold estates: book-keeping by single and double entry (The 3rd ed.). Printed for the author.
Chicago Style (17th ed.) CitationPerry, William. The Man of Business and Gentleman's Assistant: Containing a Complete System of Practical Arithmetic, Including Vulgar and Decimal Fractions, Interest, Annuities, and Purchasing Freehold Estates: Book-keeping by Single and Double Entry. The 3rd ed. Edinburgh: Printed for the author, 1777.
MLA (9th ed.) CitationPerry, William. The Man of Business and Gentleman's Assistant: Containing a Complete System of Practical Arithmetic, Including Vulgar and Decimal Fractions, Interest, Annuities, and Purchasing Freehold Estates: Book-keeping by Single and Double Entry. The 3rd ed. Printed for the author, 1777.