APA (7th ed.) Citation

Horse, H. (1996). The last polar bears. Puffin Books.

Chicago Style (17th ed.) Citation

Horse, Harry. The Last Polar Bears. London [u.a.]: Puffin Books, 1996.

MLA (9th ed.) Citation

Horse, Harry. The Last Polar Bears. Puffin Books, 1996.

Warning: These citations may not always be 100% accurate.