Styl cytowania APA

Cromwell, W. C. (1978). Europe and the "structure of peace". Orbis. - publ. by the Foreign Policy Research Institute of the University of Pennsylvania.

Styl cytowania Chicago

Cromwell, William C. "Europe and the "Structure of Peace"." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania 1978.

Styl cytowania MLA

Cromwell, William C. "Europe and the "Structure of Peace"." Orbis. - Publ. by the Foreign Policy Research Institute of the University of Pennsylvania, 1978.