Cita APA (7a ed.)

Brown, H. I. (1987). Observation and Objectivity. Oxford University Press.

Cita Chicago Style (17a ed.)

Brown, Harold I. Observation and Objectivity. New York: Oxford University Press, 1987.

Cita MLA (9a ed.)

Brown, Harold I. Observation and Objectivity. Oxford University Press, 1987.