Cita APA (7th ed.)

Mulas, U., & Haring, K. (1990). Ugo Mulas / Germano Celant. Rizzoli.

Cita Chicago (17th ed.)

Mulas, Ugo, i Keith Haring. Ugo Mulas / Germano Celant. New York: Rizzoli, 1990.

Cita MLA (8th ed.)

Mulas, Ugo, i Keith Haring. Ugo Mulas / Germano Celant. Rizzoli, 1990.