APA (7th ed.) Citation

Petras, J. F. (2013). Imperialism and capitalism in the twenty-first century: A system in crisis. Ashgate Pub. Limited.

Chicago Style (17th ed.) Citation

Petras, James F. Imperialism and Capitalism in the Twenty-first Century: A System in Crisis. Farnham, Surrey: Ashgate Pub. Limited, 2013.

MLA (9th ed.) Citation

Petras, James F. Imperialism and Capitalism in the Twenty-first Century: A System in Crisis. Ashgate Pub. Limited, 2013.