Cita APA (7a ed.)

Cohen, I. B. (1978). Introduction to Newton's "Principia". Harvard University Press.

Cita Chicago Style (17a ed.)

Cohen, I. Bernard. Introduction to Newton's "Principia". Cambridge, Mass: Harvard University Press, 1978.

Cita MLA (8a ed.)

Cohen, I. Bernard. Introduction to Newton's "Principia". Harvard University Press, 1978.