APA (7th ed.) Citation

Hildreth, G. H. (1950). Readiness for school beginners. World Book Co..

Chicago Style (17th ed.) Citation

Hildreth, Gertrude Howell. Readiness for School Beginners. Yonkers-on-Hudson, N. Y.: World Book Co., 1950.

MLA (9th ed.) Citation

Hildreth, Gertrude Howell. Readiness for School Beginners. World Book Co., 1950.