Cita APA (7a ed.)

Offer, J. (2000). Herbert Spencer: Critical assessments. Routledge.

Cita Chicago Style (17a ed.)

Offer, John. Herbert Spencer: Critical Assessments. London [etc.]: Routledge, 2000.

Cita MLA (9a ed.)

Offer, John. Herbert Spencer: Critical Assessments. Routledge, 2000.