APA (7th ed.) Citation

Spyri, J. (2001). Heidi (1a. ed.). Lumen.

Chicago Style (17th ed.) Citation

Spyri, Johanna. Heidi. 1a. ed. Buenos Aires: Lumen, 2001.

MLA (9th ed.) Citation

Spyri, Johanna. Heidi. 1a. ed. Lumen, 2001.

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