Citazione Stile APA (7a Edizione)

Mullin, M. H. (1991). Educating for the 21st century: The challenge for parents and teachers. Madison Books.

Citazione stile Chigago Style (17a edizione)

Mullin, Mark H. Educating for the 21st Century: The Challenge for Parents and Teachers. Lanham, Md.: Madison Books, 1991.

Citatione MLA (8a ed.)

Mullin, Mark H. Educating for the 21st Century: The Challenge for Parents and Teachers. Madison Books, 1991.