APA (7th ed.) Citation
Brebbia, C. A. (1978). The boundary element method for engineers. Pentech press.
Chicago Style (17th ed.) Citation
Brebbia, Carlos Alberto. The Boundary Element Method for Engineers. London: Pentech press, 1978.
MLA (9th ed.) Citation
Brebbia, Carlos Alberto. The Boundary Element Method for Engineers. Pentech press, 1978.
Warning: These citations may not always be 100% accurate.