Diez de la Cortina, R. (1966). Cortina´s spanish in 20 lessons illustrated. Dobleday.
Chicago Style (17th ed.) CitationDiez de la Cortina, R. Cortina´s Spanish in 20 Lessons Illustrated. New York: Dobleday, 1966.
MLA (9th ed.) CitationDiez de la Cortina, R. Cortina´s Spanish in 20 Lessons Illustrated. Dobleday, 1966.
Warning: These citations may not always be 100% accurate.