APA (7th ed.) Citation

International Congress of Military History Warna, Bulharsko, Baev, J. A., & Grozev, K. I. (2016). World war one 1914- 1918: 40th international congress of military history Varna, Bulgaria, 31-august - 5 september 2014. "St. Kliment Ohridski university press".

Chicago Style (17th ed.) Citation

International Congress of Military History Warna, Bulharsko, Jordan Angelov Baev, and Kostadin Ivanov Grozev. World War One 1914- 1918: 40th International Congress of Military History Varna, Bulgaria, 31-august - 5 September 2014. Sofia: "St. Kliment Ohridski university press", 2016.

MLA (9th ed.) Citation

International Congress of Military History Warna, Bulharsko, et al. World War One 1914- 1918: 40th International Congress of Military History Varna, Bulgaria, 31-august - 5 September 2014. "St. Kliment Ohridski university press", 2016.