APA (7th ed.) Citation

Ervin-Tripp, S. M. An overview of theories of grammatical development. The ontogenesis of grammar, ed. by Dan I. Slobin, New York, 1971, p. 189-214 (The child psychology series), 189.

Chicago Style (17th ed.) Citation

Ervin-Tripp, Susan M. "An Overview of Theories of Grammatical Development." The Ontogenesis of Grammar, Ed. by Dan I. Slobin, New York, 1971, P. 189-214 (The Child Psychology Series) : 189.

MLA (9th ed.) Citation

Ervin-Tripp, Susan M. "An Overview of Theories of Grammatical Development." The Ontogenesis of Grammar, Ed. by Dan I. Slobin, New York, 1971, P. 189-214 (The Child Psychology Series), , p. 189.