APA (7th ed.) Citation

Spyri, J., & Sue Oshin. (2021). Heidi. The Biblio Press Enterprise.

Chicago Style (17th ed.) Citation

Spyri, Johanna, and Sue Oshin. Heidi. Petaling Jaya, Selangor: The Biblio Press Enterprise, 2021.

MLA (9th ed.) Citation

Spyri, Johanna, and Sue Oshin. Heidi. The Biblio Press Enterprise, 2021.

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