APA (7th ed.) Citation

Otis, A. S. (1937). Otis quick-scoring mental ability tests. World Book.

Chicago Style (17th ed.) Citation

Otis, Arthur S. Otis Quick-scoring Mental Ability Tests. Chicago: World Book, 1937.

MLA (9th ed.) Citation

Otis, Arthur S. Otis Quick-scoring Mental Ability Tests. World Book, 1937.