Cita APA (7a ed.)

Pettit, M. (1988). Cardinal Points. University of Iowa Press.

Cita Chicago Style (17a ed.)

Pettit, Michael. Cardinal Points. Iowa City: University of Iowa Press, 1988.

Cita MLA (8a ed.)

Pettit, Michael. Cardinal Points. University of Iowa Press, 1988.

Precaución: Estas citas no son 100% exactas.