Duff, I. S., Erisman, A. M., & Reid, J. K. (1986). Direct methods for sparse matrices / I.S. Duff, A.M. Erisman, J.K. Reid. Clarendon.
Chicago Style (17th ed.) CitationDuff, Iain S., A. M. Erisman, and John K. Reid. Direct Methods for Sparse Matrices / I.S. Duff, A.M. Erisman, J.K. Reid. Oxford: Clarendon, 1986.
MLA (9th ed.) CitationDuff, Iain S., et al. Direct Methods for Sparse Matrices / I.S. Duff, A.M. Erisman, J.K. Reid. Clarendon, 1986.
Warning: These citations may not always be 100% accurate.