APA Style
Spyri, Johanna. (2007).
Heidi (First).
New York:
Sterling Publishers.
Chicago Style
Spyri, Johanna.
Heidi.
First
New York:
Sterling Publishers,
2007.
printed.
MLA Style
Spyri, Johanna.
Heidi.
First
New York:
Sterling Publishers,
2007.
printed.
Turabian Style
Spyri, Johanna.
Heidi.
First
New York:
Sterling Publishers,
2007.
printed.