APA (7th ed.) Citation

Roberts, M. (1958). Gustavus Adolphus : a history of Sweden, 1611-1632 / by M. Roberts: A history of Sweden, 1611-1632. Longmans.

Chicago Style (17th ed.) Citation

Roberts, M. Gustavus Adolphus : A History of Sweden, 1611-1632 / by M. Roberts: A History of Sweden, 1611-1632. Longmans, 1958.

MLA (9th ed.) Citation

Roberts, M. Gustavus Adolphus : A History of Sweden, 1611-1632 / by M. Roberts: A History of Sweden, 1611-1632. Longmans, 1958.

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