APA (7th ed.) Citation

Bianca, C. M., Bonell, M. J., & Barrera Graf, J. (1987). Commentary on the international sales law: The 1980 Vienna sales convention. Giuffrè.

Chicago Style (17th ed.) Citation

Bianca, C. Massimo, Michael Joachim Bonell, and Jorge Barrera Graf. Commentary on the International Sales Law: The 1980 Vienna Sales Convention. Milano: Giuffrè, 1987.

MLA (9th ed.) Citation

Bianca, C. Massimo, et al. Commentary on the International Sales Law: The 1980 Vienna Sales Convention. Giuffrè, 1987.