Citazione Stile APA (7a Edizione)

Goddard, H. H. (1928). School training of gifted children. World Book Co..

Citazione stile Chigago Style (17a edizione)

Goddard, Henry Herbert. School Training of Gifted Children. Yonkers-on-Hudson, N.Y.: World Book Co., 1928.

Citatione MLA (8a ed.)

Goddard, Henry Herbert. School Training of Gifted Children. World Book Co., 1928.