Cita APA (7a ed.)

Bonomo, F., & Valencia-Pabon, M. (2012). On the Minimum Sum Coloring of P 4-Sparse Graphs. https://doi.org/10.1007/s00373-012-1269-5

Cita Chicago Style (17a ed.)

Bonomo, F., y M. Valencia-Pabon. On the Minimum Sum Coloring of P 4-Sparse Graphs. 2012. https://dx.doi.org/10.1007/s00373-012-1269-5.

Cita MLA (8a ed.)

Bonomo, F., y M. Valencia-Pabon. On the Minimum Sum Coloring of P 4-Sparse Graphs. 2012.