APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.