Cita APA (7th ed.)
(1970). Martin Luther King: A profile. Hill and Wang.
Cita Chicago (17th ed.)
Martin Luther King: A Profile. New York: Hill and Wang, 1970.
Cita MLA (9th ed.)
Martin Luther King: A Profile. Hill and Wang, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.