APA Style
Spyri, Johanna, Bond, Anna. (1956).
Heidi .
New York:
Puffin Books.
Chicago Style
Spyri, Johanna, Bond, Anna.
Heidi.
New York:
Puffin Books,
1956.
Book.
MLA Style
Spyri, Johanna, Bond, Anna.
Heidi.
New York:
Puffin Books,
1956.
Book.
Turabian Style
Spyri, Johanna, Bond, Anna.
Heidi.
New York:
Puffin Books,
1956.
Book.