APA (7th ed.) Citation

Diez de la cortina, R. (1964). Cortina´s english in english: Intended for self - study and in schools. R.D. Cortina.

Chicago Style (17th ed.) Citation

Diez de la cortina, R. Cortina´s English in English: Intended for Self - Study and in Schools. New York: R.D. Cortina, 1964.

MLA (9th ed.) Citation

Diez de la cortina, R. Cortina´s English in English: Intended for Self - Study and in Schools. R.D. Cortina, 1964.