APA (7th ed.) Citation

Cygan, M., Kowalik, Ł., & Wykurz, M. (2009). Exponential-time approximation of weighted set cover. Information processing letters, 109(16), 957-961. https://doi.org/10.1016/j.ipl.2009.05.003

Chicago Style (17th ed.) Citation

Cygan, Marek, Łukasz Kowalik, and Mateusz Wykurz. "Exponential-time Approximation of Weighted Set Cover." Information Processing Letters 109, no. 16 (2009): 957-961. https://doi.org/10.1016/j.ipl.2009.05.003.

MLA (9th ed.) Citation

Cygan, Marek, et al. "Exponential-time Approximation of Weighted Set Cover." Information Processing Letters, vol. 109, no. 16, 2009, pp. 957-961, https://doi.org/10.1016/j.ipl.2009.05.003.