APA (7th ed.) Citation

Hughston, L. P., & Tod, K. P. (1990). An introduction to general relativity. Cambridge University Press.

Chicago Style (17th ed.) Citation

Hughston, L. P., and K. P. Tod. An Introduction to General Relativity. Cambridge: Cambridge University Press, 1990.

MLA (8th ed.) Citation

Hughston, L. P., and K. P. Tod. An Introduction to General Relativity. Cambridge University Press, 1990.