APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Petras, James F., and Henry Veltmeyer. Imperialism and Capitalism in the Twenty-first Century: A System in Crisis. Farnham [u.a.]: Ashgate, 2013.

MLA (9th ed.) Citation

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