Cita APA (7a ed.)

Lin, M., Soulignac, F., & Szwarcfiter, J. Proper Helly circular-arc graphs.

Cita Chicago Style (17a ed.)

Lin, M.C, F.J Soulignac, y J.L Szwarcfiter. Proper Helly Circular-arc Graphs.

Cita MLA (8a ed.)

Lin, M.C, et al. Proper Helly Circular-arc Graphs.