APA استشهاد

Bullock, C. S., & Rodgers, H. R. (1972). Black Political Attitudes. Markham.

استشهاد بنمط شيكاغو

Bullock, Charles S., و Harrell R. Rodgers. Black Political Attitudes. Chicago: Markham, 1972.

MLA استشهاد

Bullock, Charles S., و Harrell R. Rodgers. Black Political Attitudes. Markham, 1972.