Cita APA (7a ed.)

Singer, A. E. (2018). Understanding left and right: An illustrated guide to the political divide. NOVA Science Publishers.

Cita Chicago Style (17a ed.)

Singer, Alan E. Understanding Left and Right: An Illustrated Guide to the Political Divide. New York: NOVA Science Publishers, 2018.

Cita MLA (8a ed.)

Singer, Alan E. Understanding Left and Right: An Illustrated Guide to the Political Divide. NOVA Science Publishers, 2018.