APA (7th ed.) Citation

Spyri, J. (1993). Heidi. Wordsworth.

Chicago Style (17th ed.) Citation

Spyri, Johanna. Heidi. Hertfordshire: Wordsworth, 1993.

MLA (9th ed.) Citation

Spyri, Johanna. Heidi. Wordsworth, 1993.

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