APA (7th ed.) Citation

Recorde, R. (1632). The ground of arts: Teaching the perfect worke and practise of arithmeticke, both in whole numbers and fractions after a more easie and exact forme then in former time hath beene set forth. Pri[nte]d by Tho: Harper, for Iohn Harison, and are [to] be sold at his shop in Pater noster Row, at the signe of the Vnicorne.

Chicago Style (17th ed.) Citation

Recorde, Robert. The Ground of Arts: Teaching the Perfect Worke and Practise of Arithmeticke, Both in Whole Numbers and Fractions After a More Easie and Exact Forme Then in Former Time Hath Beene Set Forth. London: Pri[nte]d by Tho: Harper, for Iohn Harison, and are [to] be sold at his shop in Pater noster Row, at the signe of the Vnicorne, 1632.

MLA (9th ed.) Citation

Recorde, Robert. The Ground of Arts: Teaching the Perfect Worke and Practise of Arithmeticke, Both in Whole Numbers and Fractions After a More Easie and Exact Forme Then in Former Time Hath Beene Set Forth. Pri[nte]d by Tho: Harper, for Iohn Harison, and are [to] be sold at his shop in Pater noster Row, at the signe of the Vnicorne, 1632.