APA (7th ed.) Citation

Peña Guzmán, S. (1976). The Hamitic Group of Languages. [s.n.].

Chicago Style (17th ed.) Citation

Peña Guzmán, Solano. The Hamitic Group of Languages. Madrid: [s.n.], 1976.

MLA (9th ed.) Citation

Peña Guzmán, Solano. The Hamitic Group of Languages. [s.n.], 1976.

Warning: These citations may not always be 100% accurate.