Cita APA (7a ed.)

Breckenridge, M. E., & Vincent, E. L. (1949). Child development: Physical and psychological growth through the school years (2nd ed.). Saunders.

Cita Chicago Style (17a ed.)

Breckenridge, Marian E., y E. Lee Vincent. Child Development: Physical and Psychological Growth Through the School Years. 2nd ed. Philadelphia, Pa.: Saunders, 1949.

Cita MLA (8a ed.)

Breckenridge, Marian E., y E. Lee Vincent. Child Development: Physical and Psychological Growth Through the School Years. 2nd ed. Saunders, 1949.