Krug, E., & Quillen, I. J. (1952). Citizens Now: Civics for Young Citizens. Chicago: Scott, Foresman & Company.
استشهاد بنمط شيكاغوKrug, Edward., و I. James Quillen. Citizens Now: Civics for Young Citizens. Chicago: Scott, Foresman & Company, 1952.
MLA استشهادKrug, Edward., و I. James Quillen. Citizens Now: Civics for Young Citizens. Chicago: Scott, Foresman & Company, 1952.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.