APA (7th ed.) Citation

Barros, M., & Alvarez, M. F. (1990). Orientación grupal. Indo American Press Service.

Chicago Style (17th ed.) Citation

Barros, Manena, and Manuel Francisco Alvarez. Orientación Grupal. Bogotá: Indo American Press Service, 1990.

MLA (9th ed.) Citation

Barros, Manena, and Manuel Francisco Alvarez. Orientación Grupal. Indo American Press Service, 1990.

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