Wightwick, C. C. B., & Strubelt, H. W. (1974). Longman audio-lingual German / by C.C.B. Wightwick and H.W. Strubelt. Longman.
Chicago Style (17th ed.) CitationWightwick, C. C. B., and H. W. Strubelt. Longman Audio-lingual German / by C.C.B. Wightwick and H.W. Strubelt. Longman, 1974.
MLA (9th ed.) CitationWightwick, C. C. B., and H. W. Strubelt. Longman Audio-lingual German / by C.C.B. Wightwick and H.W. Strubelt. Longman, 1974.
Warning: These citations may not always be 100% accurate.