Cita APA (7th ed.)

Gordon, J., & Nordstrom, A. (2017). Encyclopedia of football medicine: Trauma and medical emergencies. Thieme.

Cita Chicago (17th ed.)

Gordon, Jonny, i Anna Nordstrom. Encyclopedia of Football Medicine: Trauma and Medical Emergencies. Stuttgart, [Germany]: Thieme, 2017.

Cita MLA (9th ed.)

Gordon, Jonny, i Anna Nordstrom. Encyclopedia of Football Medicine: Trauma and Medical Emergencies. Thieme, 2017.