Wilhelm Müller and the German volkslied;
APA Citation
Allen, P. Schuyler. (1901). Wilhelm Müller and the German volkslied. [Chicago?].
MLA Citation
Allen, Philip Schuyler, 1871-1937. Wilhelm Müller And the German Volkslied. [Chicago?], 1901.
Warning: These citations may not always be complete (especially for serials).