APA Style
Spyri, Johanna. (1993).
Heidi .
:
Wordsworth Classics.
Chicago Style
Spyri, Johanna.
Heidi.
:
Wordsworth Classics,
1993.
Printed Book.
MLA Style
Spyri, Johanna.
Heidi.
:
Wordsworth Classics,
1993.
Printed Book.
Turabian Style
Spyri, Johanna.
Heidi.
:
Wordsworth Classics,
1993.
Printed Book.