Cita APA (7a ed.)

Siebert, H. (2002). The world economy (2nd ed.). Routledge.

Cita Chicago Style (17a ed.)

Siebert, Horst. The World Economy. 2nd ed. London [etc.]: Routledge, 2002.

Cita MLA (9a ed.)

Siebert, Horst. The World Economy. 2nd ed. Routledge, 2002.