Cita APA (7a ed.)

Clark University (Worcester, Mass.), & Atwood, W. W. Economic geography. Clark University.

Cita Chicago Style (17a ed.)

Clark University (Worcester, Mass.), y Wallace Walter Atwood. Economic Geography. Worcester, Mass.: Clark University.

Cita MLA (8a ed.)

Clark University (Worcester, Mass.), y Wallace Walter Atwood. Economic Geography. Clark University.