APA (7th ed.) Citation

(1990). 17o Congreso Internacional de Ciencias Historicas: . 17th International Congress of Historical Sciences : program. [s.n.].

Chicago Style (17th ed.) Citation

17o Congreso Internacional De Ciencias Historicas: . 17th International Congress of Historical Sciences : Program. [s.n.], 1990.

MLA (8th ed.) Citation

17o Congreso Internacional De Ciencias Historicas: . 17th International Congress of Historical Sciences : Program. [s.n.], 1990.

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