Gaya APA

, ., Kalstone, S. (2005). Good cat!, a proven guide to successful litter box use and problem solving . New Jersey: New Jersey: Howel Book House, 2005.

Gaya MLA

, ., Kalstone, Shirlee. "Good cat!, a proven guide to successful litter box use and problem solving". New Jersey: New Jersey: Howel Book House, 2005, 2005. Text.