APA

Hildreth G. H., . (1966). Introduction to the gifted. New York: McGraw-Hill.

Chicago

Hildreth Gertrude Howell, . 1966. Introduction to the gifted. New York: McGraw-Hill.

Harvard

Hildreth G. H., . (1966). Introduction to the gifted. New York: McGraw-Hill.

MLA

Hildreth Gertrude Howell, . Introduction to the gifted. New York: McGraw-Hill. 1966.