Cita APA (7a ed.)

Dunmore, H. (2008). Counting the stars. Penguin Books.

Cita Chicago Style (17a ed.)

Dunmore, Helen. Counting the Stars. London [etc.]: Penguin Books, 2008.

Cita MLA (9a ed.)

Dunmore, Helen. Counting the Stars. Penguin Books, 2008.