APA (7th ed.) Citation

Ann Abramson. (2007). Who was Anne Frank? ("?".). Penguin group.

Chicago Style (17th ed.) Citation

Ann Abramson. Who Was Anne Frank? "?". USA: Penguin group, 2007.

MLA (9th ed.) Citation

Ann Abramson. Who Was Anne Frank? "?". Penguin group, 2007.

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