APA (7th ed.) Citation

Spyri, J. (2006). The Story Of Heidi. Usborn Publishing Ltd..

Chicago Style (17th ed.) Citation

Spyri, Johanna. The Story Of Heidi. London: Usborn Publishing Ltd., 2006.

MLA (9th ed.) Citation

Spyri, Johanna. The Story Of Heidi. Usborn Publishing Ltd., 2006.

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