APA (7th ed.) Citation

Freed, D. S., & Uhlenbeck, K. K. (1991). Instantons and four-manifolds (2. ed.). Springer.

Chicago Style (17th ed.) Citation

Freed, Daniel S., and Karen K. Uhlenbeck. Instantons and Four-manifolds. 2. ed. New York u.a: Springer, 1991.

MLA (9th ed.) Citation

Freed, Daniel S., and Karen K. Uhlenbeck. Instantons and Four-manifolds. 2. ed. Springer, 1991.

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