APA (7th ed.) Citation

Allen, H. C. (1964). The United States of America. Benn.

Chicago Style (17th ed.) Citation

Allen, H. C. The United States of America. Benn, 1964.

MLA (9th ed.) Citation

Allen, H. C. The United States of America. Benn, 1964.

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