APA (7th ed.) Citation

Heinonen, J., Kilpeläinen, T., & Martio, O. (1993). Nonlinear potential theory of degenerate elliptic equations. Clarendon Press.

Chicago Style (17th ed.) Citation

Heinonen, Juha, Tero Kilpeläinen, and Olli Martio. Nonlinear Potential Theory of Degenerate Elliptic Equations. Oxford u.a: Clarendon Press, 1993.

MLA (9th ed.) Citation

Heinonen, Juha, et al. Nonlinear Potential Theory of Degenerate Elliptic Equations. Clarendon Press, 1993.