Cita APA (7th ed.)
Boer, J. H. (2003). Nigeria's decades of blood 1980-2002. Essence.
Cita Chicago (17th ed.)
Boer, Jan H. Nigeria's Decades of Blood 1980-2002. Ontario, Canada: Essence, 2003.
Cita MLA (9th ed.)
Boer, Jan H. Nigeria's Decades of Blood 1980-2002. Essence, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.