APA (7th ed.) Citation

Brecher, M., Wilkenfeld, J., & Moser, S. Crises in the twentieth century. Pergamon Pr.

Chicago Style (17th ed.) Citation

Brecher, Michael, Jonathan Wilkenfeld, and Sheila Moser. Crises in the Twentieth Century. Oxford u.a: Pergamon Pr.

MLA (9th ed.) Citation

Brecher, Michael, et al. Crises in the Twentieth Century. Pergamon Pr.