APA (7th ed.) Citation

Turchin, P., & Nefedov, S. A. (2009). Secular cycles. Princeton University Press.

Chicago Style (17th ed.) Citation

Turchin, Peter, and S. A. Nefedov. Secular Cycles. Princeton, N.J.: Princeton University Press, 2009.

MLA (9th ed.) Citation

Turchin, Peter, and S. A. Nefedov. Secular Cycles. Princeton University Press, 2009.