Cita APA (7a ed.)
Böhme, T., Harant, J., & Tkáč, M. More than One Tough Chordal Planar Graphs are Hamiltonian.
Cita Chicago Style (17a ed.)
Böhme, Thomas, Jochen Harant, y Michal Tkáč. More than One Tough Chordal Planar Graphs Are Hamiltonian.
Cita MLA (9a ed.)
Böhme, Thomas, et al. More than One Tough Chordal Planar Graphs Are Hamiltonian.
Precaución: Estas citas no son 100% exactas.