APA Style
Ziefert, H.
(2023).
The Ugly Duckling (A Puffin Easy-to-read Classic)
.
:
Turtleback Books.
MLA Style
Ziefert, Harriet.
"The Ugly Duckling (A Puffin Easy-to-read Classic)".
:
Turtleback Books,
2023.
Text.