APA (7th ed.) Citation

Heine, H. (1981). Poemas (2a. ed.). Lumen.

Chicago Style (17th ed.) Citation

Heine, Heinrich. Poemas. 2a. ed. Barcelona: Lumen, 1981.

MLA (9th ed.) Citation

Heine, Heinrich. Poemas. 2a. ed. Lumen, 1981.