APA引文

Beethoven, L. v., & Unger, M. (1938). Symphony no. 4, B-flat major, op. 60. E. Eulenburg.

芝加哥风格引文

Beethoven, Ludwig van, 与 Max Unger. Symphony No. 4, B-flat Major, Op. 60. London: E. Eulenburg, 1938.

MLA引文

Beethoven, Ludwig van, 与 Max Unger. Symphony No. 4, B-flat Major, Op. 60. E. Eulenburg, 1938.