APA (7th ed.) Citation

Reyes, O. E. (1967). Breve historia general del Ecuador ([8a ed.].). [publisher not identified].

Chicago Style (17th ed.) Citation

Reyes, Oscar Efrén. Breve Historia General Del Ecuador. [8a ed.]. [Place of publication not identified]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Reyes, Oscar Efrén. Breve Historia General Del Ecuador. [8a ed.]. [publisher not identified], 1967.