APA (7th ed.) Citation

Gräf, M., & Jung, A. (2008). The Brückner test: Extended distance improves sensitivity for ametropia. Graefe's archive for clinical and experimental ophthalmology, 246(1), 135-141. https://doi.org/10.1007/s00417-007-0608-3

Chicago Style (17th ed.) Citation

Gräf, Michael, and Annette Jung. "The Brückner Test: Extended Distance Improves Sensitivity for Ametropia." Graefe's Archive for Clinical and Experimental Ophthalmology 246, no. 1 (2008): 135-141. https://doi.org/10.1007/s00417-007-0608-3.

MLA (9th ed.) Citation

Gräf, Michael, and Annette Jung. "The Brückner Test: Extended Distance Improves Sensitivity for Ametropia." Graefe's Archive for Clinical and Experimental Ophthalmology, vol. 246, no. 1, 2008, pp. 135-141, https://doi.org/10.1007/s00417-007-0608-3.