APA

Guilford J. P., . (1950). Fundamental statistics in psychology and education. New York: MacGraw-Hill.

Chicago

Guilford J P, . 1950. Fundamental statistics in psychology and education. New York: MacGraw-Hill.

Harvard

Guilford J. P., . (1950). Fundamental statistics in psychology and education. New York: MacGraw-Hill.

MLA

Guilford J P, . Fundamental statistics in psychology and education. New York: MacGraw-Hill. 1950.