Cita APA (7th ed.)

Lackner, H. (2019). Yemen in crisis: Road to war (U.S. edition.). Verso.

Cita Chicago (17th ed.)

Lackner, Helen. Yemen in Crisis: Road to War. U.S. edition. New York: Verso, 2019.

Cita MLA (9th ed.)

Lackner, Helen. Yemen in Crisis: Road to War. U.S. edition. Verso, 2019.