APA引文

Snead, D. L. (2012). John F. Kennedy: The new frontier president. Nova Science Publishers.

Chicago Style (17th ed.) Citation

Snead, David L. John F. Kennedy: The New Frontier President. Hauppauge, N.Y.: Nova Science Publishers, 2012.

MLA引文

Snead, David L. John F. Kennedy: The New Frontier President. Nova Science Publishers, 2012.