APA (7th ed.) Citation

Duff, I. S., Erisman, A. M., & Reid, J. K. (2003). Direct methods for sparse matrices (Repr.). Clarendon Press.

Chicago Style (17th ed.) Citation

Duff, Iain S., Albert M. Erisman, and John Ker Reid. Direct Methods for Sparse Matrices. Repr. Oxford: Clarendon Press, 2003.

MLA (9th ed.) Citation

Duff, Iain S., et al. Direct Methods for Sparse Matrices. Repr. Clarendon Press, 2003.