Citazione Stile APA (7a Edizione)

Armstrong, M., Spencer, E., Cairns, B., Banks, E., Pirie, K., Green, J., . . . Beral, V. (2011). Body mass index and physical activity in relation to the incidence of hip fracture in postmenopausal women.

Citazione stile Chigago Style (17a edizione)

Armstrong, M., E. Spencer, B. Cairns, E. Banks, K. Pirie, J. Green, F. Wright, G. Reeves, e V. Beral. Body Mass Index and Physical Activity in Relation to the Incidence of Hip Fracture in Postmenopausal Women. 2011.

Citatione MLA (9a ed.)

Armstrong, M., et al. Body Mass Index and Physical Activity in Relation to the Incidence of Hip Fracture in Postmenopausal Women. 2011.