APA (7th ed.) Citation

MacMillan, M. (2013). The war that ended peace: How Europe abandoned peace for the First World War. Profile Books.

Chicago Style (17th ed.) Citation

MacMillan, Margaret. The War That Ended Peace: How Europe Abandoned Peace for the First World War. London: Profile Books, 2013.

MLA (9th ed.) Citation

MacMillan, Margaret. The War That Ended Peace: How Europe Abandoned Peace for the First World War. Profile Books, 2013.

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