APA stil citiranja

Porter, P. W., & Sheppard, E. S. (1998). A world of difference: A world of difference : society, nature, development. New York: The Guilford Press.

Chicago stil citiranja

Porter, Philip Wayland, and Eric S. Sheppard. A world of difference: A world of difference : society, nature, development. New York: The Guilford Press, 1998.

MLA stil citiranja

Porter, Philip Wayland, and Eric S. Sheppard. A world of difference: A world of difference : society, nature, development. New York: The Guilford Press, 1998.