APA (7th ed.) Citation

Mohar, B., Robertson, N., & Sanders, D. P. (1994). On acyclic colorings of graphs on surfaces. Univ. of Ljubljana, Inst. of Math., Physics and Mechanics, Dep. of Math.

Chicago Style (17th ed.) Citation

Mohar, Bojan, Neil Robertson, and Daniel P. Sanders. On Acyclic Colorings of Graphs on Surfaces. Ljubljana: Univ. of Ljubljana, Inst. of Math., Physics and Mechanics, Dep. of Math, 1994.

MLA (9th ed.) Citation

Mohar, Bojan, et al. On Acyclic Colorings of Graphs on Surfaces. Univ. of Ljubljana, Inst. of Math., Physics and Mechanics, Dep. of Math, 1994.