APA
Norman D Palmer, PALMER (Norman D), PERKINS (Howard C) & PERKINS (Mary Sutherland). (1969). International relations: the world community in transition. Calcutta: Scientific Book Agency.
Chicago
Norman D Palmer, PALMER (Norman D), PERKINS (Howard C) and PERKINS (Mary Sutherland). 1969. International relations: the world community in transition. Calcutta: Scientific Book Agency.
Harvard
Norman D Palmer, PALMER (Norman D), PERKINS (Howard C) and PERKINS (Mary Sutherland). (1969). International relations: the world community in transition. Calcutta: Scientific Book Agency.
MLA
Norman D Palmer, PALMER (Norman D), PERKINS (Howard C) and PERKINS (Mary Sutherland). International relations: the world community in transition. Calcutta: Scientific Book Agency. 1969.
