Lehmann, W. P. (1991). The importance of models in historical linguistics. Language typology 1988, ed. by Winfred P. Lehmann, Helen-Jo Jakuaz Hewitt, Amsterdam [etc.], 1991, P. 1-10 (Amsterdam studies in the theory and history of linguistic science), 1.
Chicago Style (17th ed.) CitationLehmann, Winfred P. "The Importance of Models in Historical Linguistics." Language Typology 1988, Ed. by Winfred P. Lehmann, Helen-Jo Jakuaz Hewitt, Amsterdam [etc.], 1991, P. 1-10 (Amsterdam Studies in the Theory and History of Linguistic Science) 1991: 1.
MLA (9th ed.) CitationLehmann, Winfred P. "The Importance of Models in Historical Linguistics." Language Typology 1988, Ed. by Winfred P. Lehmann, Helen-Jo Jakuaz Hewitt, Amsterdam [etc.], 1991, P. 1-10 (Amsterdam Studies in the Theory and History of Linguistic Science), 1991, p. 1.