Cita APA (7a ed.)

Sickels, R. (2004). The 1940s. Greenwood Press.

Cita Chicago Style (17a ed.)

Sickels, Robert. The 1940s. Westport, Conn.: Greenwood Press, 2004.

Cita MLA (9a ed.)

Sickels, Robert. The 1940s. Greenwood Press, 2004.