Cita APA (7a ed.)

Ruggie, J. G. (1994). Peacekeeping and U.S. interests. [s.n.].

Cita Chicago Style (17a ed.)

Ruggie, John Gerard. Peacekeeping and U.S. Interests. [S.l.]: [s.n.], 1994.

Cita MLA (9a ed.)

Ruggie, John Gerard. Peacekeeping and U.S. Interests. [s.n.], 1994.