APA (7th ed.) Citation

Leopold, W. F. (1954). Speech development of a bilingual child: A linguist's record (2. print.). Northwestern Univ.

Chicago Style (17th ed.) Citation

Leopold, Werner F. Speech Development of a Bilingual Child: A Linguist's Record. 2. print. Evanston [u.a.]: Northwestern Univ, 1954.

MLA (9th ed.) Citation

Leopold, Werner F. Speech Development of a Bilingual Child: A Linguist's Record. 2. print. Northwestern Univ, 1954.