Cita APA (7a ed.)

Knox, P. L., & Agnew, J. A. (1994). The geography of the world economy: An introduction to economic geography (2nd ed.). Edward Arnold.

Cita Chicago Style (17a ed.)

Knox, Paul L., y John A. Agnew. The Geography of the World Economy: An Introduction to Economic Geography. 2nd ed. London [etc.]: Edward Arnold, 1994.

Cita MLA (9a ed.)

Knox, Paul L., y John A. Agnew. The Geography of the World Economy: An Introduction to Economic Geography. 2nd ed. Edward Arnold, 1994.