APA Style
Polar Bear, Polar Bear, What Do You Hear?. ().
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Chicago Style
Polar Bear, Polar Bear, What Do You Hear?.
小本.
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Text.
MLA Style
Polar Bear, Polar Bear, What Do You Hear?.
小本.
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,
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Text.
Turabian Style
Polar Bear, Polar Bear, What Do You Hear?.
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Print.