Cita APA (7a ed.)

Bundesverband Deutscher OphthalmoChirurgen e. V. & German Medical Science (Organization). (2011). GMS ophthalmology cases. German Medical Science.

Cita Chicago Style (17a ed.)

Bundesverband Deutscher OphthalmoChirurgen e. V. y German Medical Science (Organization). GMS Ophthalmology Cases. Cologne, Germany: German Medical Science, 2011.

Cita MLA (9a ed.)

Bundesverband Deutscher OphthalmoChirurgen e. V. y German Medical Science (Organization). GMS Ophthalmology Cases. German Medical Science, 2011.