Style de citation APA (7e éd.)

Lackner, H., & Varisco, D. M. (2018). Yemen and the Gulf States: The making of a crisis. Gerlach Press.

Style de citation Chicago (17e éd.)

Lackner, Helen, et Daniel Martin Varisco. Yemen and the Gulf States: The Making of a Crisis. Berlin, Germany: Gerlach Press, 2018.

Style de citation MLA (8e éd.)

Lackner, Helen, et Daniel Martin Varisco. Yemen and the Gulf States: The Making of a Crisis. Gerlach Press, 2018.