Ramsey, A. S., & Ramsey, A. S. (1981). Newtonian attraction. Cambridge University Press.
Chicago Style (17th ed.) CitationRamsey, A. S., and A. S. Ramsey. Newtonian Attraction. Cambridge [England]: Cambridge University Press, 1981.
MLA (9th ed.) CitationRamsey, A. S., and A. S. Ramsey. Newtonian Attraction. Cambridge University Press, 1981.
Warning: These citations may not always be 100% accurate.