Cita APA (7a ed.)

Kaercher, T., Buchholz, P., & Kimmich, F. (2008). Treatment of patients with keratoconjunctivitis sicca with Optive&trade: Results of a multicenter, open-label observational study in Germany. Dove Medical Press.

Cita Chicago Style (17a ed.)

Kaercher, Thomas, Patricia Buchholz, y Friedemann Kimmich. Treatment of Patients with Keratoconjunctivitis Sicca with Optive&trade: Results of a Multicenter, Open-label Observational Study in Germany. Dove Medical Press, 2008.

Cita MLA (8a ed.)

Kaercher, Thomas, et al. Treatment of Patients with Keratoconjunctivitis Sicca with Optive&trade: Results of a Multicenter, Open-label Observational Study in Germany. Dove Medical Press, 2008.