APA (7th ed.) Citation

Penfold, P. L. (2005). Macular degeneration. Springer. https://doi.org/10.1007/b138399

Chicago Style (17th ed.) Citation

Penfold, Philip L. Macular Degeneration. Berlin [u.a.]: Springer, 2005. https://doi.org/10.1007/b138399.

MLA (9th ed.) Citation

Penfold, Philip L. Macular Degeneration. Springer, 2005. https://doi.org/10.1007/b138399.