APA (7th ed.) Citation

Gregor, T. A. (1996). A natural history of peace. Vanderbilt University Press.

Chicago Style (17th ed.) Citation

Gregor, Thomas A. A Natural History of Peace. Nashville [etc.]: Vanderbilt University Press, 1996.

MLA (9th ed.) Citation

Gregor, Thomas A. A Natural History of Peace. Vanderbilt University Press, 1996.

Warning: These citations may not always be 100% accurate.