Cita APA (7a ed.)

Gros, D., & Thygesen, N. (1992). European monetary integration. Longman [etc.].

Cita Chicago Style (17a ed.)

Gros, Daniel, y Niels Thygesen. European Monetary Integration. London [etc.]: Longman [etc.], 1992.

Cita MLA (9a ed.)

Gros, Daniel, y Niels Thygesen. European Monetary Integration. Longman [etc.], 1992.