Peña Guzmán, S. (1976). The Hamitic Group of Languages. [s.n.].
Chicago Style (17th ed.) CitationPeña Guzmán, Solano. The Hamitic Group of Languages. Madrid: [s.n.], 1976.
MLA (9th ed.) CitationPeña Guzmán, Solano. The Hamitic Group of Languages. [s.n.], 1976.