APA (7th ed.) Citation

Spyri, J., & Peluso, M. (2021). Heidi. Penguin Random House.

Chicago Style (17th ed.) Citation

Spyri, Johanna, and Martina Peluso. Heidi. UK: Penguin Random House, 2021.

MLA (9th ed.) Citation

Spyri, Johanna, and Martina Peluso. Heidi. Penguin Random House, 2021.

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