Citazione Stile APA (7a Edizione)

Young, E., Young, B., & James, C. (1991). Help your child with science. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Young, Ella, Beverley Young, e Chris James. Help Your Child with Science. Cambridge: Cambridge University Press, 1991.

Citatione MLA (9a ed.)

Young, Ella, et al. Help Your Child with Science. Cambridge University Press, 1991.