Styl cytowania APA

Bull, H., Holbraad, C., & Wight, M. (1978). Power politics.

Styl cytowania Chicago

Bull, Hedley, Carsteu Holbraad, i Martin Wight. Power Politics. New York, Leicester University Press, 1978.

Styl cytowania MLA

Bull, Hedley, et al. Power Politics. 1978.