APA Format
Yoder, Jean; Proctor, William. (1988).
The self confident child /Jean Yoder, and William Proctor
. : Fact on file,.
MLA Format
Yoder, Jean; Proctor, William.
The self confident child /Jean Yoder, and William Proctor
. : Fact on file,, 1988
Chicago Format
Yoder, Jean; Proctor, William. The self confident child /Jean Yoder, and William Proctor. : Fact on file,, 1988.