Cita APA (7a ed.)

Brogan, H. (1990). The Penguin history of the United States of America. Penguin.

Cita Chicago Style (17a ed.)

Brogan, Hugh. The Penguin History of the United States of America. Harmondsworth: Penguin, 1990.

Cita MLA (9a ed.)

Brogan, Hugh. The Penguin History of the United States of America. Penguin, 1990.