APA (7th ed.) Citation

Brooks, D., & Moreno, M. Libro del personal trainer.

Chicago Style (17th ed.) Citation

Brooks, Douglas, and Marta Moreno. Libro Del Personal Trainer. Barcelona.

MLA (9th ed.) Citation

Brooks, Douglas, and Marta Moreno. Libro Del Personal Trainer.

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