APA

Ilg F. L., Haber C. C., Ilg F. L. & Gesell Institute of Child Development. (1982). Your one-year-old : the fun-loving, fussy 12-to-24-month-old. New York: Delacorte Press.

Chicago

Ilg Frances Lillian, Haber Carol Chase, Ilg Frances Lilian and Gesell Institute of Child Development. 1982. Your one-year-old : the fun-loving, fussy 12-to-24-month-old. New York: Delacorte Press.

Harvard

Ilg F. L., Haber C. C., Ilg F. L. and Gesell Institute of Child Development. (1982). Your one-year-old : the fun-loving, fussy 12-to-24-month-old. New York: Delacorte Press.

MLA

Ilg Frances Lillian, Haber Carol Chase, Ilg Frances Lilian and Gesell Institute of Child Development. Your one-year-old : the fun-loving, fussy 12-to-24-month-old. New York: Delacorte Press. 1982.