Cita APA (7a ed.)

Gibson, J., Mitchell, A., Reeve, J., & Harries, M. (1999). Treatment of reduced bone mineral density in athletic amenorrhea: A pilot study.

Cita Chicago Style (17a ed.)

Gibson, J., A. Mitchell, J. Reeve, y MG Harries. Treatment of Reduced Bone Mineral Density in Athletic Amenorrhea: A Pilot Study. 1999.

Cita MLA (9a ed.)

Gibson, J., et al. Treatment of Reduced Bone Mineral Density in Athletic Amenorrhea: A Pilot Study. 1999.