APA

Libenson T., . (2017). Invisible emmie. [London]: Penguin Books Ltd.

Chicago

Libenson Terri, . 2017. Invisible emmie. [London]: Penguin Books Ltd.

Harvard

Libenson T., . (2017). Invisible emmie. [London]: Penguin Books Ltd.

MLA

Libenson Terri, . Invisible emmie. [London]: Penguin Books Ltd. 2017.