Cita APA

Grayzel, S. R. (2013). The first world war: A brief history with documents. Boston: Bedford/St. Martin's.

Chicago Style Citation

Grayzel, Susan R. The First World War: A Brief History With Documents. Boston: Bedford/St. Martin's, 2013.

Cita MLA

Grayzel, Susan R. The First World War: A Brief History With Documents. Boston: Bedford/St. Martin's, 2013.

Atenció: Aquestes cites poden no estar 100% correctes.