APA (7th ed.) Citation

SpringerLink (Online service), Schmidt-Erfurth, U., & Kohnen, T. (2018). Encyclopedia of Ophthalmology (1st ed. 2018.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/978-3-540-69000-9

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Ursula Schmidt-Erfurth, and Thomas Kohnen. Encyclopedia of Ophthalmology. 1st ed. 2018. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-540-69000-9.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Encyclopedia of Ophthalmology. 1st ed. 2018. Springer Berlin Heidelberg : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-540-69000-9.