APA-referens (7:e uppl.)

Hoffmann, P., Langenbucher, A., Singh, A. D., Aramberri, J., Hoffer, K. J., Olsen, T., . . . Shammas, H. J. (2024). The Castrop IOL Formula. Intraocular Lens Calculations, 593-601. https://doi.org/10.1007/978-3-031-50666-6_38

Chicago-referens (17:e uppl.)

Hoffmann, Peter, Achim Langenbucher, Arun D. Singh, Jaime Aramberri, Kenneth J. Hoffer, Thomas Olsen, Giacomo Savini, och H. John Shammas. "The Castrop IOL Formula." Intraocular Lens Calculations 2024: 593-601. https://doi.org/10.1007/978-3-031-50666-6_38.

MLA-referens (9:e uppl.)

Hoffmann, Peter, et al. "The Castrop IOL Formula." Intraocular Lens Calculations, 2024, pp. 593-601, https://doi.org/10.1007/978-3-031-50666-6_38.