Citazione Stile APA (7a Edizione)

National Science Teachers Association. (1985). Science fairs and projects (Rev. version.). National Science Teachers Association.

Citazione stile Chigago Style (17a edizione)

National Science Teachers Association. Science Fairs and Projects. Rev. version. Washington: National Science Teachers Association, 1985.

Citatione MLA (9a ed.)

National Science Teachers Association. Science Fairs and Projects. Rev. version. National Science Teachers Association, 1985.