Guth, H. P.. (1977). The world of English (2nd ed. rev.). McGraw-Hill.
Chicago Style (17th ed.) CitationGuth, Hans Paul. The World of English. 2nd ed. rev. New York: McGraw-Hill, 1977.
MLA (9th ed.) CitationGuth, Hans Paul. The World of English. 2nd ed. rev. McGraw-Hill, 1977.
Warning: These citations may not always be 100% accurate.