APA (7th ed.) Citation

Ludwig, E., & Goñi, L. (1957). Beethoven. Juventud.

Chicago Style (17th ed.) Citation

Ludwig, Emil, and Lorenzo Goñi. Beethoven. Barcelona: Juventud, 1957.

MLA (9th ed.) Citation

Ludwig, Emil, and Lorenzo Goñi. Beethoven. Juventud, 1957.

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