Sprott, W., Butelman, E., & García Bouza, J. (1964). Grupos humanos ([2a ed.].). Paidós.
Chicago Style (17th ed.) CitationSprott, W.J.H, Enrique Butelman, and Jorge García Bouza. Grupos Humanos. [2a ed.]. Buenos Aires: Paidós, 1964.
MLA (9th ed.) CitationSprott, W.J.H, et al. Grupos Humanos. [2a ed.]. Paidós, 1964.
Warning: These citations may not always be 100% accurate.