APA

Van Riper C., . (1950). Teaching your child to talk. New York: Harper.

Chicago

Van Riper Charles, . 1950. Teaching your child to talk. New York: Harper.

Harvard

Van Riper C., . (1950). Teaching your child to talk. New York: Harper.

MLA

Van Riper Charles, . Teaching your child to talk. New York: Harper. 1950.