Παραπομπή σε μορφή APA (7η εκδ.)

Salvati, L., Alaimo, L. S., & Muolo, A. (2026). An operational classification of rural and urban areas based on Zipf's Law. Annals of Operations Research, 363(1), 685-703. https://doi.org/10.1007/s10479-025-06859-3

Παραπομπή σε μορφή Chicago (17η εκδ.)

Salvati, Luca, Leonardo Salvatore Alaimo, και Alessandro Muolo. "An Operational Classification of Rural and Urban Areas Based on Zipf's Law." Annals of Operations Research 363, no. 1 (2026): 685-703. https://doi.org/10.1007/s10479-025-06859-3.

Παραπομπή σε μορφή MLA (9th εκδ.)

Salvati, Luca, et al. "An Operational Classification of Rural and Urban Areas Based on Zipf's Law." Annals of Operations Research, vol. 363, no. 1, 2026, pp. 685-703, https://doi.org/10.1007/s10479-025-06859-3.