Cita APA (7a ed.)

Purkitt, H. E. (1996). World politics 96/97. Dushkin Pub. Group.

Cita Chicago Style (17a ed.)

Purkitt, Helen E. World Politics 96/97. Guilford, Conn.: Dushkin Pub. Group, 1996.

Cita MLA (8a ed.)

Purkitt, Helen E. World Politics 96/97. Dushkin Pub. Group, 1996.