APA (7th ed.) Citation
Firth, R. W. (1977). Tipos humanos (6a.ed.). Eudeba.
Chicago Style (17th ed.) Citation
Firth, Raymond William. Tipos Humanos. 6a.ed. Buenos Aires: Eudeba, 1977.
MLA (9th ed.) Citation
Firth, Raymond William. Tipos Humanos. 6a.ed. Eudeba, 1977.
Warning: These citations may not always be 100% accurate.