APA (7th ed.) Citation

Marcio M. Vasconcelos. (2004). Retardo mental Mental retardation. Elsevier.

Chicago Style (17th ed.) Citation

Marcio M. Vasconcelos. Retardo Mental Mental Retardation. Elsevier, 2004.

MLA (9th ed.) Citation

Marcio M. Vasconcelos. Retardo Mental Mental Retardation. Elsevier, 2004.

Warning: These citations may not always be 100% accurate.