Cita APA (7a ed.)

Heskin, K. (1980). Northern Ireland: A psychological analysis. Columbia Univ. Pr.

Cita Chicago Style (17a ed.)

Heskin, Ken. Northern Ireland: A Psychological Analysis. New York: Columbia Univ. Pr, 1980.

Cita MLA (8a ed.)

Heskin, Ken. Northern Ireland: A Psychological Analysis. Columbia Univ. Pr, 1980.