APA (7th ed.) Citation

Berg, C., Forst, G., & Fuglede, B. (1980). Potential theory Copenhagen 1979. Springer-Verlag.

Chicago Style (17th ed.) Citation

Berg, C., G. Forst, and B. Fuglede. Potential Theory Copenhagen 1979. Berlín: Springer-Verlag, 1980.

MLA (9th ed.) Citation

Berg, C., et al. Potential Theory Copenhagen 1979. Springer-Verlag, 1980.