Styl cytowania APA

Nielsen, W. A. (1969). The great powers and Africa: Publ. for the Council on Foreign Relations. Praeger.

Styl cytowania Chicago

Nielsen, Waldemar A. The Great Powers and Africa: Publ. for the Council on Foreign Relations. New York [u.a.]: Praeger, 1969.

Styl cytowania MLA

Nielsen, Waldemar A. The Great Powers and Africa: Publ. for the Council on Foreign Relations. Praeger, 1969.