APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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