APA (7th ed.) Citation

(1990). How Many Hippos?: A Mix-Match Counting Book. Time Warner Book Asia.

Chicago Style (17th ed.) Citation

How Many Hippos?: A Mix-Match Counting Book. London: Time Warner Book Asia, 1990.

MLA (9th ed.) Citation

How Many Hippos?: A Mix-Match Counting Book. Time Warner Book Asia, 1990.

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