The simplicity of the symbols employed by the American Nivola, notwithstanding the prodigious nature of his commitments, or by the Nivola of the Sardinian interventions, despite the pronounced architectural and urbanistic quality of these works, is a simplicity come by way of honing and disciplining his formal experience of paradigmatic Bauhaus abstraction.

In Placido Cherchi's "Costantino Nivola: The Myth of Cultural Significance" in Miti tipi archetipi edited by Ignazio Delogu, Illisso, 1989, p.102