APA Style

S., G, ,, D., ., S, ,, D, J. (2000.). Nations at war : a scientific study of international conflict. . : Cambridge University Press..

MLA Style

S., Geller, ,, Daniel., ., Singer, ,, David, Joel. "Nations at war : a scientific study of international conflict.". : Cambridge University Press., 2000.. หนังสือ (Book).