Cita APA (7th ed.)
Hammond, J. W. (1999). Poison gas: The myths versus reality. Greenwood Press.
Cita Chicago (17th ed.)
Hammond, James W. Poison Gas: The Myths Versus Reality. Westport, Conn.: Greenwood Press, 1999.
Cita MLA (9th ed.)
Hammond, James W. Poison Gas: The Myths Versus Reality. Greenwood Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.