APA-referens (7:e uppl.)

Cooper, R. (1854). The London investigator: A monthly journal of secularism. Collins.

Chicago-referens (17:e uppl.)

Cooper, Robert. The London Investigator: A Monthly Journal of Secularism. Newcastle-upon-Tyne: Collins, 1854.

MLA-referens (8:e uppl.)

Cooper, Robert. The London Investigator: A Monthly Journal of Secularism. Collins, 1854.