Leybourn, W., & Brown, J. (1677). The line of proportion, commonly called Gunter's line, made easie: A second part, with the addition of other lines, which may conveniently be put upon a two-foot rule and their uses exemplified. Printed by W.L. and T.J. for George Sawbridge ....
Chicago Style (17th ed.) CitationLeybourn, William, and John Brown. The Line of Proportion, Commonly Called Gunter's Line, Made Easie: A Second Part, with the Addition of Other Lines, Which May Conveniently Be Put upon a Two-foot Rule and Their Uses Exemplified. London: Printed by W.L. and T.J. for George Sawbridge ..., 1677.
MLA (9th ed.) CitationLeybourn, William, and John Brown. The Line of Proportion, Commonly Called Gunter's Line, Made Easie: A Second Part, with the Addition of Other Lines, Which May Conveniently Be Put upon a Two-foot Rule and Their Uses Exemplified. Printed by W.L. and T.J. for George Sawbridge ..., 1677.