Παραπομπή APA

Sperber, J. (2013). Karl Marx: A nineteenth-century life (First edition.). Liveright Publishing.

Παραπομπή Chicago Style

Sperber, Jonathan. Karl Marx: A Nineteenth-century Life. First edition. New York: Liveright Publishing, 2013.

Παραπομπή MLA

Sperber, Jonathan. Karl Marx: A Nineteenth-century Life. First edition. Liveright Publishing, 2013.