APA (7th ed.) Citation

Keiger, J. F. V. (1997). Raymond Poincaré. Cambridge University Press.

Chicago Style (17th ed.) Citation

Keiger, John F. V. Raymond Poincaré. Cambridge: Cambridge University Press, 1997.

MLA (9th ed.) Citation

Keiger, John F. V. Raymond Poincaré. Cambridge University Press, 1997.