APA (7th ed.) Citation

Duff, I. S., Erisman, A. M., & Reid, J. K. (1986). Direct methods for sparse matrices. Clarendon Press.

Chicago Style (17th ed.) Citation

Duff, Iain S., Albert M. Erisman, and John Ker Reid. Direct Methods for Sparse Matrices. Oxford: Clarendon Press, 1986.

MLA (9th ed.) Citation

Duff, Iain S., et al. Direct Methods for Sparse Matrices. Clarendon Press, 1986.