APA način citiranja (7. izdanje)

Barker, E. (1915). Political thought in england from Herbert Spencer to the present day. H. Holt and Company.

Čikaški stil citiranja (17. izdanje)

Barker, Ernest. Political Thought in England from Herbert Spencer to the Present Day. New York: H. Holt and Company, 1915.

MLA način citiranja (9. izdanje)

Barker, Ernest. Political Thought in England from Herbert Spencer to the Present Day. H. Holt and Company, 1915.