Cita APA (7a ed.)

Ryden, K. C. (2011). Sum of the Parts: The Mathematics and Politics of Region, Place, and Writing. University of Iowa Press.

Cita Chicago Style (17a ed.)

Ryden, Kent C. Sum of the Parts: The Mathematics and Politics of Region, Place, and Writing. Iowa City: University of Iowa Press, 2011.

Cita MLA (8a ed.)

Ryden, Kent C. Sum of the Parts: The Mathematics and Politics of Region, Place, and Writing. University of Iowa Press, 2011.