Penna, S., & Valente, P. (2020). A Boy Asleep under the Sun: Versions of Sandro Penna. Project Muse.
Cita Chicago (17th ed.)Penna, Sandro, i Peter Valente. A Boy Asleep Under the Sun: Versions of Sandro Penna. Baltimore, Maryland: Project Muse, 2020.
Cita MLA (9th ed.)Penna, Sandro, i Peter Valente. A Boy Asleep Under the Sun: Versions of Sandro Penna. Project Muse, 2020.
Atenció: Aquestes cites poden no estar 100% correctes.