APA Style
Spyri, Johanna, Hall, Eileen, Leslie, Cecil. (1994).
Heidi .
London:
Puffin Books.
Chicago Style
Spyri, Johanna, Hall, Eileen, Leslie, Cecil.
Heidi.
London:
Puffin Books,
1994.
Text.
MLA Style
Spyri, Johanna, Hall, Eileen, Leslie, Cecil.
Heidi.
London:
Puffin Books,
1994.
Text.
Turabian Style
Spyri, Johanna, Hall, Eileen, Leslie, Cecil.
Heidi.
London:
Puffin Books,
1994.
Print.