APA (7th ed.) Citation

Brebbia, C. A. (1978). Recent advances in boundary element methods. Pentech Press.

Chicago Style (17th ed.) Citation

Brebbia, C. A. Recent Advances in Boundary Element Methods. London: Pentech Press, 1978.

MLA (8th ed.) Citation

Brebbia, C. A. Recent Advances in Boundary Element Methods. Pentech Press, 1978.