How to Make the Citation of this Document using the INPE Standard (BibINPE Format)
RIBEIRO, G. M.; LORENA, L. A. N. Lagrangean relaxation with clusters for point-feature cartographic label placement problems. Computers and Operations Research, v. 35, n. 7, p. 2129-140, July 2008. DOI: <10.1016/j.cor.2006.09.024>. Available from: <http://doi.org/10.1016/j.cor.2006.09.024>.
How to Make the In-Text Citation (by author/year)
... as proposed by Ribeiro and Lorena (2008).
... may be found in the literature (RIBEIRO; LORENA, 2008).