Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Beaver, H. A., & Lee, A. G. (2019). Geriatric Ophthalmology: A Competency-based Approach (2nd ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-04019-2

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Hilary A. Beaver, και Andrew G. Lee. Geriatric Ophthalmology: A Competency-based Approach. 2nd ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-04019-2.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Geriatric Ophthalmology: A Competency-based Approach. 2nd ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-04019-2.