Cita APA (7th ed.)
Schmitz, H. (1875). Über Darm-Invagination.
Cita Chicago (17th ed.)
Schmitz, Heinrich. Über Darm-Invagination. Bonn, 1875.
Cita MLA (9th ed.)
Schmitz, Heinrich. Über Darm-Invagination. 1875.
Atenció: Aquestes cites poden no estar 100% correctes.