APA (7th ed.) Citation

ORTEGA, W. (1970). Ortografía programada. Mcgraw-hill.

Chicago Style (17th ed.) Citation

ORTEGA, Wenceslao. Ortografía Programada. Bogota: Mcgraw-hill, 1970.

MLA (9th ed.) Citation

ORTEGA, Wenceslao. Ortografía Programada. Mcgraw-hill, 1970.

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