APA-Zitierstil (7. Ausg.)

Beer, G., & Lucchetti, R. (1991). Solvability for constrained problems. Dip. di Matematica "F. Enriques".

Chicago-Zitierstil (17. Ausg.)

Beer, Gerald, und Roberto Lucchetti. Solvability for Constrained Problems. Milano: Dip. di Matematica "F. Enriques", 1991.

MLA-Zitierstil (9. Ausg.)

Beer, Gerald, und Roberto Lucchetti. Solvability for Constrained Problems. Dip. di Matematica "F. Enriques", 1991.