Cita APA (7a ed.)

Barnard, B., & Roux, P. l. (2017). Mitral valve replacement at Tygerberg Hospital: A 5 year follow-up. South African Heart Association.

Cita Chicago Style (17a ed.)

Barnard, B.J, y P.J. le Roux. Mitral Valve Replacement at Tygerberg Hospital: A 5 Year Follow-up. South African Heart Association, 2017.

Cita MLA (8a ed.)

Barnard, B.J, y P.J. le Roux. Mitral Valve Replacement at Tygerberg Hospital: A 5 Year Follow-up. South African Heart Association, 2017.