Journées arithmétiques :Ulm, Allemagne, Schlickewei, H. P., & Wirsing, E. Number Theory: Proceedings of the Journées Arithmétiques held in Ulm, FRG, September 14 18, 1987. Springer.
Citazione stile Chigago Style (17a edizione)Journées arithmétiques :Ulm, Allemagne, H. P. Schlickewei, e Eduard Wirsing. Number Theory: Proceedings of the Journées Arithmétiques Held in Ulm, FRG, September 14 18, 1987. Berlin [etc.]: Springer.
Citatione MLA (8a ed.)Journées arithmétiques :Ulm, Allemagne, et al. Number Theory: Proceedings of the Journées Arithmétiques Held in Ulm, FRG, September 14 18, 1987. Springer.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.