Mangold, W. (1956). New active English (5a ed. rev.). Mangold.
Chicago Style (17th ed.) CitationMangold, Walter. New Active English. 5a ed. rev. Madrid: Mangold, 1956.
MLA (9th ed.) CitationMangold, Walter. New Active English. 5a ed. rev. Mangold, 1956.
Warning: These citations may not always be 100% accurate.