APA (7th ed.) Citation

Efren Reyes, O. (1976). Breve historia general del Ecuador (11a ed.).

Chicago Style (17th ed.) Citation

Efren Reyes, Oscar. Breve Historia General Del Ecuador. 11a ed. Quito, 1976.

MLA (8th ed.) Citation

Efren Reyes, Oscar. Breve Historia General Del Ecuador. 11a ed. 1976.

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