Tupera Tupera (Firm). (2015). Polar bear's underwear. Chronicle Books.
Chicago Style (17th ed.) CitationTupera Tupera (Firm). Polar Bear's Underwear. San Francisco: Chronicle Books, 2015.
MLA (8th ed.) CitationTupera Tupera (Firm). Polar Bear's Underwear. Chronicle Books, 2015.
Warning: These citations may not always be 100% accurate.