APA引文

Penna, S., & Valente, P. (2020). A Boy Asleep under the Sun: Versions of Sandro Penna. Project Muse.

芝加哥风格引文

Penna, Sandro, 与 Peter Valente. A Boy Asleep Under the Sun: Versions of Sandro Penna. Baltimore, Maryland: Project Muse, 2020.

MLA引文

Penna, Sandro, 与 Peter Valente. A Boy Asleep Under the Sun: Versions of Sandro Penna. Project Muse, 2020.