APA (7th ed.) Citation

Roberts, M. (1973). Gustavus Adolphus and the rise of Sweden / by M. Roberts. English U.P..

Chicago Style (17th ed.) Citation

Roberts, M. Gustavus Adolphus and the Rise of Sweden / by M. Roberts. English U.P., 1973.

MLA (9th ed.) Citation

Roberts, M. Gustavus Adolphus and the Rise of Sweden / by M. Roberts. English U.P., 1973.

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