APA (7th ed.) Citation

Oreffo, R., Bord, S., & Triffitt, J. (1998). Skeletal progenitor cells and ageing human populations.

Chicago Style (17th ed.) Citation

Oreffo, R., S. Bord, and J. Triffitt. Skeletal Progenitor Cells and Ageing Human Populations. 1998.

MLA (9th ed.) Citation

Oreffo, R., et al. Skeletal Progenitor Cells and Ageing Human Populations. 1998.