From head to toes :
how your body works /
by Mary Packard ; illustrations by Dora Leder.

APA Citation

Packard, M., Leder, D. (1985). From head to toes: how your body works. New York: Little Simon.

MLA Citation

Packard, Mary, and Dora Leder. From Head to Toes: How Your Body Works. New York: Little Simon, 1985.

Warning: These citations may not always be complete (especially for serials).