APA-viite

Palmer, N. D., & Perkins, H. C. (1965). Internarional relations (2nd.). Scientific Book.

Chicago-tyylinen lähdeviittaus

Palmer, Norman D., ja Howard C. Perkins. Internarional Relations. 2nd. Calcutta: Scientific Book, 1965.

MLA-viite

Palmer, Norman D., ja Howard C. Perkins. Internarional Relations. 2nd. Scientific Book, 1965.