APA (7th ed.) Citation

Perez, B., & Christie, A. M. (1885). The first three years of childhood. A.N. Marquis & Co..

Chicago Style (17th ed.) Citation

Perez, Bernard, and Alice M. Christie. The First Three Years of Childhood. Chicago: A.N. Marquis & Co., 1885.

MLA (9th ed.) Citation

Perez, Bernard, and Alice M. Christie. The First Three Years of Childhood. A.N. Marquis & Co., 1885.