O bando sinistro : appello aos intellectuaes portuguezes.
MLA
Leal Raúl. O Bando Sinistro : Appello Aos Intellectuaes Portuguezes. Prensa libertad, 0AD. https://collections.library.yale.edu/catalog/10034115.
APA, 6th edition
Leal Raúl. (0 C.E.). O bando sinistro : appello aos intellectuaes portuguezes. [Announcements (AAT), broadsides (AAT)]. Prensa libertad, https://collections.library.yale.edu/catalog/10034115.