APA Citation

Wilhelm, H. (1988). Oh, what a mess. New York, N.Y.: Crown.

Chicago Style Citation

Wilhelm, Hans. Oh, What a Mess. New York, N.Y.: Crown, 1988.

MLA Citation

Wilhelm, Hans. Oh, What a Mess. New York, N.Y.: Crown, 1988.

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