APA Style
Pitts, Sorrel. (2017).
Heidi (Level 4).
London:
Ladybird Books.
Chicago Style
Pitts, Sorrel.
Heidi.
Level 4
London:
Ladybird Books,
2017.
Text.
MLA Style
Pitts, Sorrel.
Heidi.
Level 4
London:
Ladybird Books,
2017.
Text.
Turabian Style
Pitts, Sorrel.
Heidi.
Level 4
London:
Ladybird Books,
2017.
Print.