APA (7th ed.) Citation

<BEER, G. &. J. W. Introduction to finite and boundary element methods for engineers. John Willey & Sons.

Chicago Style (17th ed.) Citation

<BEER, G. & J.O. Watson>. Introduction to Finite and Boundary Element Methods for Engineers. John Willey & Sons.

MLA (8th ed.) Citation

<BEER, G. & J.O. Watson>. Introduction to Finite and Boundary Element Methods for Engineers. John Willey & Sons.

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