APA
De Houwer A., . (1999). The acquisition of two languages from birth. New York: Cambridge University Press.
Chicago
De Houwer Annick, . 1999. The acquisition of two languages from birth. New York: Cambridge University Press.
Harvard
De Houwer A., . (1999). The acquisition of two languages from birth. New York: Cambridge University Press.
MLA
De Houwer Annick, . The acquisition of two languages from birth. New York: Cambridge University Press. 1999.