Franklin

MLA

Brown, John. A Collection of Centers and Useful Proportions On the Line of Numbers. [London: s.n., 1670.

APA

Brown, J. (1670). A collection of centers and useful proportions on the line of numbers. [London: s.n.

Chicago

Brown, John, A Collection of Centers and Useful Proportions On the Line of Numbers. [London: s.n., 1670.