Langacker, R. W. (1968). Language and its structure: Some fundamental linguistic concepts. Harcourt, Brace & World.
Chicago Style (17th ed.) CitationLangacker, Ronald W. Language and Its Structure: Some Fundamental Linguistic Concepts. New York: Harcourt, Brace & World, 1968.
MLA (8th ed.) CitationLangacker, Ronald W. Language and Its Structure: Some Fundamental Linguistic Concepts. Harcourt, Brace & World, 1968.
Warning: These citations may not always be 100% accurate.