APA (7th ed.) Citation

Burkard, R., Ibaraki, T., & Queyranne, M. (1995). Preface. Annals of Operations Research, 57(1-4), 1. https://doi.org/10.1007/BF02099686

Chicago Style (17th ed.) Citation

Burkard, R., T. Ibaraki, and M. Queyranne. "Preface." Annals of Operations Research 57, no. 1-4 (1995): 1. https://doi.org/10.1007/BF02099686.

MLA (9th ed.) Citation

Burkard, R., et al. "Preface." Annals of Operations Research, vol. 57, no. 1-4, 1995, p. 1, https://doi.org/10.1007/BF02099686.