APA (7th ed.) Citation

Donaldson, S. K., & Kronheimer, P. B. (1990). The geometry of four-manifolds. Clarendon Press.

Chicago Style (17th ed.) Citation

Donaldson, S. K., and P. B. Kronheimer. The Geometry of Four-manifolds. Oxford: Clarendon Press, 1990.

MLA (8th ed.) Citation

Donaldson, S. K., and P. B. Kronheimer. The Geometry of Four-manifolds. Clarendon Press, 1990.