APA (7th ed.) Citation

Helfers, J., & Greenberg, M. H. (2008). Future Americas. Daw Books, Inc. : Distributed by Penguin Group (USA).

Chicago Style (17th ed.) Citation

Helfers, John, and Martin Harry Greenberg. Future Americas. New York: Daw Books, Inc. : Distributed by Penguin Group (USA), 2008.

MLA (9th ed.) Citation

Helfers, John, and Martin Harry Greenberg. Future Americas. Daw Books, Inc. : Distributed by Penguin Group (USA), 2008.

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