Cita APA (7th ed.)
Nelson, J., & Olivieri, L. (2011). The sky is everywhere. Fazi.
Cita Chicago (17th ed.)
Nelson, Jandy, i Lucia Olivieri. The Sky Is Everywhere. Roma: Fazi, 2011.
Cita MLA (9th ed.)
Nelson, Jandy, i Lucia Olivieri. The Sky Is Everywhere. Fazi, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.