APA (7th ed.) Citation

Turchin, P., Turchin, P., & Nefedov, S. A. (2009). Secular cycles (1.). Princeton University Press. https://doi.org/10.1515/9781400830688

Chicago Style (17th ed.) Citation

Turchin, Peter, Peter Turchin, and Sergey A. Nefedov. Secular Cycles. 1. Princeton, N.J: Princeton University Press, 2009. https://doi.org/10.1515/9781400830688.

MLA (9th ed.) Citation

Turchin, Peter, et al. Secular Cycles. 1. Princeton University Press, 2009. https://doi.org/10.1515/9781400830688.