Cita APA (7a ed.)

Deary, T. (1998). The frightful First World War. Scholastic.

Cita Chicago Style (17a ed.)

Deary, Terry. The Frightful First World War. London [u.a.]: Scholastic, 1998.

Cita MLA (9a ed.)

Deary, Terry. The Frightful First World War. Scholastic, 1998.