APA (7th ed.) Citation

Ludwig, E. (1933). Beethoven (1a. ed.). Juventud.

Chicago Style (17th ed.) Citation

Ludwig, Emil. Beethoven. 1a. ed. Barcelona: Juventud, 1933.

MLA (9th ed.) Citation

Ludwig, Emil. Beethoven. 1a. ed. Juventud, 1933.

Warning: These citations may not always be 100% accurate.