Derlis, R. (1963). 7 poemas verticales. [s.n.].
Chicago Style (17th ed.) CitationDerlis, Rubén. 7 Poemas Verticales. Buenos Aires: [s.n.], 1963.
MLA (8th ed.) CitationDerlis, Rubén. 7 Poemas Verticales. [s.n.], 1963.
Warning: These citations may not always be 100% accurate.