APA (7th ed.) Citation

Cohen, I. B. (1971). Introduction to Newton's "Principia". Harvard Univ. Press.

Chicago Style (17th ed.) Citation

Cohen, I. Bernhard. Introduction to Newton's "Principia". Harvard: Harvard Univ. Press, 1971.

MLA (9th ed.) Citation

Cohen, I. Bernhard. Introduction to Newton's "Principia". Harvard Univ. Press, 1971.