APA(7版)引用形式
Worldwatch Institute. (2014). Vital signs. Island Press.
Chicagoスタイル(17版)引用形式
Worldwatch Institute. Vital Signs. Washington, District of Columbia: Island Press, 2014.
MLA(9版)引用形式
Worldwatch Institute. Vital Signs. Island Press, 2014.
警告: この引用は必ずしも正確ではありません.