APA (7th ed.) Citation

Friedman, A. (2010). Variational principles and free-boundary problems (Dover ed.). Dover.

Chicago Style (17th ed.) Citation

Friedman, Avner. Variational Principles and Free-boundary Problems. Dover ed. Mineola, N.Y: Dover, 2010.

MLA (9th ed.) Citation

Friedman, Avner. Variational Principles and Free-boundary Problems. Dover ed. Dover, 2010.

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