APA   Click to copy
Giulietti, A., & Montanucci, E. (2006). On hyperfocused arcs in P G(2,q). Discrete Mathematics, 306, 3307–3314.

Chicago/Turabian   Click to copy
Giulietti, A., and E. Montanucci. “On Hyperfocused Arcs in P G(2,q).” Discrete Mathematics 306 (2006): 3307–3314.

MLA   Click to copy
Giulietti, A., and E. Montanucci. “On Hyperfocused Arcs in P G(2,q).” Discrete Mathematics, vol. 306, 2006, pp. 3307–14.

@article{giulietti2006a,
  title = {On hyperfocused arcs in P G(2,q)},
  year = {2006},
  journal = {Discrete Mathematics},
  pages = {3307-3314},
  volume = {306},
  author = {Giulietti, A. and Montanucci, E.}
}