Citação norma APA

Vézelay Group. (1991). Global risks at stake from thought to action. Newsletter From Vézelay.

Citação norma Chicago

Vézelay Group. Global Risks At Stake From Thought to Action. Newsletter From Vézelay, 1991.

Citação norma MLA

Vézelay Group. Global Risks At Stake From Thought to Action. Newsletter From Vézelay, 1991.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.