Cita APA (7th ed.)
Briefe. Carl Stumpf <1848-1936> an Franz Hillebrand <1863-1926>.
Cita Chicago (17th ed.)
Briefe. Carl Stumpf <1848-1936> an Franz Hillebrand <1863-1926>.
Cita MLA (9th ed.)
Briefe. Carl Stumpf <1848-1936> an Franz Hillebrand <1863-1926>.
Atenció: Aquestes cites poden no estar 100% correctes.