APA (7th ed.) Citation

Friedman, A. (1988). Variational principles and free-boundary problems. Robert E. Krieger Pubublishing Company.

Chicago Style (17th ed.) Citation

Friedman, Avner. Variational Principles and Free-boundary Problems. Malabar, Fla: Robert E. Krieger Pubublishing Company, 1988.

MLA (8th ed.) Citation

Friedman, Avner. Variational Principles and Free-boundary Problems. Robert E. Krieger Pubublishing Company, 1988.

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