Cita APA (7a ed.)

Ceballos Gurrola, O., Alvarez Bermúdez, J., & Medina Rodríguez, R. E. (2008). Physical activity and gender: A comparative study among youth from Monterrey, Mexico and Zaragoza, Spain.

Cita Chicago Style (17a ed.)

Ceballos Gurrola, Oswaldo, Javier Alvarez Bermúdez, y Rosa Elena Medina Rodríguez. Physical Activity and Gender: A Comparative Study Among Youth from Monterrey, Mexico and Zaragoza, Spain. 2008.

Cita MLA (9a ed.)

Ceballos Gurrola, Oswaldo, et al. Physical Activity and Gender: A Comparative Study Among Youth from Monterrey, Mexico and Zaragoza, Spain. 2008.