APA Citation

Poulsen, E. (2009). Smiling bears: A zookeeper explores the behavior and emotional life of bears. Vancouver: Greystone Books.

Chicago Style Citation

Poulsen, Else. Smiling Bears: A Zookeeper Explores the Behavior and Emotional Life of Bears. Vancouver: Greystone Books, 2009.

MLA Citation

Poulsen, Else. Smiling Bears: A Zookeeper Explores the Behavior and Emotional Life of Bears. Vancouver: Greystone Books, 2009.

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