Cita APA

Rathus, S. A., & Rathus, S. A. (1988). Understanding child development. Fort Worth, Tex.: Holt, Rinehart and Winston.

Citación estilo Chicago

Rathus, Spencer A., y Spencer A. Rathus. Understanding Child Development. Fort Worth, Tex.: Holt, Rinehart and Winston, 1988.

Cita MLA

Rathus, Spencer A., y Spencer A. Rathus. Understanding Child Development. Fort Worth, Tex.: Holt, Rinehart and Winston, 1988.