APA (7th ed.) Citation

Sobolev, S. L., Dawson, E. R., & Broadbent, T. A. A. (1989). Partial differential equations of mathematical physics. Dover Publications.

Chicago Style (17th ed.) Citation

Sobolev, S. L., Edgar Ronald Dawson, and T. A. A. Broadbent. Partial Differential Equations of Mathematical Physics. New York: Dover Publications, 1989.

MLA (8th ed.) Citation

Sobolev, S. L., et al. Partial Differential Equations of Mathematical Physics. Dover Publications, 1989.