Цитирование APA (7-е изд.)
Protasio, J. (2011). The day the world was shocked: The Lusitania disaster and its influence on the course of World War I. CASEMATE.
Цитирование в стиле Чикаго (17-е изд.)
Protasio, John. The Day the World Was Shocked: The Lusitania Disaster and Its Influence on the Course of World War I. Philadelphia: CASEMATE, 2011.
Цитирование MLA (9-е изд.)
Protasio, John. The Day the World Was Shocked: The Lusitania Disaster and Its Influence on the Course of World War I. CASEMATE, 2011.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.