APA (7th ed.) Citation

Iacobelli, L., & Aguilar, J. C. (2011). Painting circles =: Pintando círculos. Quattro Books.

Chicago Style (17th ed.) Citation

Iacobelli, Luciano, and Julio César Aguilar. Painting Circles =: Pintando Círculos. Toronto: Quattro Books, 2011.

MLA (9th ed.) Citation

Iacobelli, Luciano, and Julio César Aguilar. Painting Circles =: Pintando Círculos. Quattro Books, 2011.