Cita APA

Clark, J. A., & John A. Clark; Brian F. Schaffner. (2007). Election 2006: An American government supplement. Belmont, CA: Thomson Wadsworth.

Citación estilo Chicago

Clark, John A., y John A. Clark; Brian F. Schaffner. Election 2006: An American Government Supplement. Belmont, CA: Thomson Wadsworth, 2007.

Cita MLA

Clark, John A., y John A. Clark; Brian F. Schaffner. Election 2006: An American Government Supplement. Belmont, CA: Thomson Wadsworth, 2007.