APA (7th ed.) Citation

Eager, R., & Lawrence, J. (2015). The odd-even invariant for graphs. European journal of combinatorics, 50, . https://doi.org/10.1016/j.ejc.2015.03.023

Chicago Style (17th ed.) Citation

Eager, Richard, and Jim Lawrence. "The Odd-even Invariant for Graphs." European Journal of Combinatorics 50 (2015). https://doi.org/10.1016/j.ejc.2015.03.023.

MLA (9th ed.) Citation

Eager, Richard, and Jim Lawrence. "The Odd-even Invariant for Graphs." European Journal of Combinatorics, vol. 50, 2015, https://doi.org/10.1016/j.ejc.2015.03.023.