Gaya APA

Kerr, C. et al (2017). The importance of physical function to people with osteoporosis (Osteoporos Int (2017) 28:1597–1607). USA: Springer.

Gaya MLA

Kerr, C.. et al. "The importance of physical function to people with osteoporosis". Osteoporos Int (2017) 28:1597–1607 USA: Springer, 2017. Text.