APA (7th ed.) Citation

P. Olivi, S. Giannini, S. Sella, R. Lovato, M.C. Spenevello, S. Pancheri, . . . S. Adami. (2011). Risk factors for hip fracture in elderly persons. PAGEPress Publications.

Chicago Style (17th ed.) Citation

P. Olivi, et al. Risk Factors for Hip Fracture in Elderly Persons. PAGEPress Publications, 2011.

MLA (9th ed.) Citation

P. Olivi, et al. Risk Factors for Hip Fracture in Elderly Persons. PAGEPress Publications, 2011.

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