Cita APA (7th ed.)
Siegl, M. H. (1933). Reform of elementary education in Austria.
Cita Chicago (17th ed.)
Siegl, May Hollis. Reform of Elementary Education in Austria. New York, 1933.
Cita MLA (9th ed.)
Siegl, May Hollis. Reform of Elementary Education in Austria. 1933.
Atenció: Aquestes cites poden no estar 100% correctes.