APA (7th ed.) Citation

Penfold, P. L., & Provis, H. M. (2005). Macular degeneration. Springer.

Chicago Style (17th ed.) Citation

Penfold, Philip L., and Han M. Provis. Macular Degeneration. Berlin: Springer, 2005.

MLA (9th ed.) Citation

Penfold, Philip L., and Han M. Provis. Macular Degeneration. Springer, 2005.