APA (7th ed.) Citation

Spearman, C. E., & Jones, L. W. (1950). Human ability: A continuation of "The abilities of man". Macmillan.

Chicago Style (17th ed.) Citation

Spearman, Charles Edward, and Llewellyn Wynn Jones. Human Ability: A Continuation of "The Abilities of Man". London: Macmillan, 1950.

MLA (9th ed.) Citation

Spearman, Charles Edward, and Llewellyn Wynn Jones. Human Ability: A Continuation of "The Abilities of Man". Macmillan, 1950.