Cita APA (7a ed.)

Agnew, J. A., Toal, G., & Mitchell, K. (2008). A companion to political geography (1st published in pbk.). Blackwell.

Cita Chicago Style (17a ed.)

Agnew, John A., Gerard Toal, y Katharyne Mitchell. A Companion to Political Geography. 1st published in pbk. Malden (Massachusetts) [etc.]: Blackwell, 2008.

Cita MLA (9a ed.)

Agnew, John A., et al. A Companion to Political Geography. 1st published in pbk. Blackwell, 2008.