Cita APA (7a ed.)

Center for Civic Education. (1999). Project citizen (5. print.). Center for Civic Education.

Cita Chicago Style (17a ed.)

Center for Civic Education. Project Citizen. 5. print. Calabasas, CA: Center for Civic Education, 1999.

Cita MLA (9a ed.)

Center for Civic Education. Project Citizen. 5. print. Center for Civic Education, 1999.